(Delivered at Los Angeles, California, January 8, 1900)

Swami Vivekananda

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Now, we see that though this is a fact, no physical laws that we know of will explain this. How can we explain it by chemical and physical knowledge? How much of oxygen, hydrogen, carbon and how many molecules in different positions, and how many cells, etc., etc. can explain this mysterious personality? And we still see, it is a fact, and not only that, it is the real man; and it is that man that lives and moves and works, it is that man that influences, moves his fellow-beings, and passes out, and his intellect and books and works are but traces left behind. Think of all this. Compare the great teachers of religion with the great philosophers. The philosophers scarcely influenced anybody's inner man, and yet they wrote most marvelous books. The religious teachers, on the other hand, moved countries in their lifetime. The difference was made by personality that influences; In the philosopher it is a faint personality that influences; in the great prophets it is tremendous. In the former we touch the intellect, in the latter we touch life. In the one case, it is a simply a chemical process, putting certain chemical ingredients together which may gradually combine and under proper circumstances bring out a flash of light or may fail. In the other, it is like a torch that goes round quickly, lighting others.

The science of Yoga claims that it has discovered the laws which develop this personality, and by proper attention to those laws and methods, each one can grow and strengthen his personality. This is one of the great practical things, and this is the secret of all education. This has a universal application. In the life of the householder, in the life of the poor, the rich, the man of business, the spiritual man, in every one's life, it is a great thing, the strengthening of this personality. There are laws, very fine, which are behind the physical laws, as we know. That is to say, there are no such realities as a physical world, a mental world, a spiritual world. Whatever is, is one. Let us say, it is a sort of tapering existence; the thickest part is here, it tapers and becomes finer and finer. The finest is what we call spirit; the grossest the body. And just as it is here in microcosm, it is exactly the same in the macrocosm. The universe of ours is exactly like that; it is the gross external thickness, and it tapers into something finer and finer until it becomes God.

We also know that the greatest power is lodged in the fine, not in the coarse. We see a man take up a huge weight, we see his muscles well, and all over his body we see signs of exertion, and we think the muscles are powerful things. But is the thin thread-like things, the nerves,which bring power to the muscles; the moment one of these threads is cut off from reaching the muscles, they are not able to work at all. These tiny nevers bring the power from something finer, and that again in its turn brings it from something finer still- thought, and so on. So, it is the fine that is really the seat of power. Of course we can see the movements in the gross; but when fine movements take place, we cannot see them. When a gross thing moves, we catch it, and thus we naturally identify movements with things which are gross. But all the power is really in the fine. We do not see any movement in the fine, perhaps, because the movement is so intense that we cannot perceive it. But if by any science, any investigation, we are helped to get hold of these finer forces which arethe cause of the expression, the expression itself will be under control. There is a little bubble coming from the bottom of a lake; we do not see it coming all the time, we see it only when it bursts on the surface; so, we can perceive thoughts only after they develop a great deal, or after they become actions. We constantly complain that we have no control over our actions, over our thoughts. But how can we have it? If we can get control over the fine movements, if we can get hold of thought at the root, before it has become thought, before it has become action, then it would be possible for us to control the whole. Now, if there is a method by which we can analyse, investigate, understand, and finally grapple with those finer powers, the finer causes, then alone is it possible to have control over ourselves, and the man who has control over his own mind assuredly will have control over every other mind. That is why purity and morality have been always the object of religion; a pure, moral man has control of himself. And all minds are the same, different parts of one Mind. He who knows one lump of clay has known all the clay in the universe. He who knows and controls his own mind knows the secretof every mind and has power over every mind.

Now, a good deal of our physical evil we can get rid of, if we have control over the fine parts; a good many worries we can throw off, if we have control over the fine movements; a good many failures can be averted, if we have control over these fine powers. So far, is utility. Yet beyond, there is something higher.

Now, I shall tell you a theory, which I will not argue now, but simply place before you the conclusion. Each man in his childhood runs through the stages through which his race has come up; only the race took thousands of years to do it, while the child takes a few years. The child is first the old savage man - and he crushes a butterfly under his feet. The child is at first like the primitive ancestors of his race. As he grows, he passes through different stages until he reaches the development of his race. Only he does it swiftly and quickly. Now, take the whole of humanity as a race, or take the whole of humanity as a race, or take the whole of the animal creation, man and the lower animals, as one whole. There is an end towards which the whole is moving. Let us call it perfection. Some men and women are born who anticipate the whole progress of mankind. Instead of waiting and being reborn over and over again for ages until the whole human race has attained to that perfection, they, as it were ,rush through them in a few short years of their life. And we know that we can hasten these processes, if we be true to ourselves. If a number of men, without any culture, be left to live upon an island, and are given barely enough food,clothing, and shelter, they will gradually go on and on, evolving higher and higher stages of civilisation. We know also, that this growth can be hastened by additional means. We help the growth of trees, do we not? Left to nature they would otherwise have grown, only they would have taken a longer time; we help them to grow in a shorter time than they would otherwise have taken. We are doing all the time the same thing, hastening the growth of things by artificial means. Why cannot we hasten the growth of man? We can do that as a race. Why are teachers sent to other countries? Because by these means we can hasten the growth of individuals? We can. Can we put a limit to the hastening? We cannot say how much a man can grow in one life. You have no reason to say this much a man can do and no more. Circumstances can hasten him wonderfully. Can there be any limit then, till you come to perfection? So, what comes of it? - That a perfect man, that is to say, the type that is to come of this race, perhaps millions of years hence, that man can come today. And this is what the Yogis say, that all great incarnations and prophets are such men; that they reached perfection in this one life. We have had such men at all periods of the world's history and at all times. Quite recently, there was such a man who lives the life of the whole human race and reached the end - even in this life. Even this hastening of the growth must be under laws. Suppose we can investigate these laws and understand their secrets and apply them to our own needs; it follows that we grow. We hasten our growth, we hasten our development, and we become perfect, even in this life. This is the higher part of our life, and the science of the study of mind and its powers has this perfection as its real end. Helping others with money and other material things and teaching them how to go on smoothly in their daily life are mere details.

The utility of this science is to bring out the perfect man, and not let him wait and wait for ages, just a plaything in the hands of the physical world, like a log of drift-wood carried from wave to wave and tossing about in the ocean. This science wants you to be strong, to take the work in your own hand, instead of leaving it in the hands of nature, and get beyond in this little life. That is the great idea.

Man is growing in knowledge, in power, in happiness. Continuously, we are growing as a race. We see that is true, perfectly true. Is it true of individuals? To a certain extent, yes. But yet, again comes the question: Where do you fix the limit? I can see only at a distance of so many feet. But I have seen a man close his eyes and see what is happening in another room. If you say you do not believe it, perhaps in three weeks that man can make you do the same. It can be taught to anybody. Some persons, in five minutes even, can be made to read what is happening in another man's mind. These facts can be demonstrated.

Now, if these things are true, where can we put a limit? If a man can read what is happening in another's mind in the corner of this room, why not in the next room? Why not anywhere? We cannot say, why not. We dare not say that it is not possible. Material scientists have no right to say that things like this are not possible; they can only say, "We do not know". Science has to collect facts, generalise upon them, deduce principles, and state the truth - that is all. But if we being by denying the facts, how can a science be?

There is no end to the power a man can obtain.This is the peculiarity of the Indian mind, that when anything interests it, it gets absorbed in it and other things are neglected. You know how many sciences had their origin in India. Mathematics began there. You are even today counting 1,2,3, etc. to zero, after Sanskrit figures, and you all know that algebra also originated in India, and that gravitation was known to the Indians thousands of years before Newton was born.

You see the peculiarity. At a certain period of Indian history, this one subject of man and his mind absorbed all their interest. And it was so enticing, because it seemed the easiest way to achieve their ends. Now, the Indian mind became so thoroughly persuaded that the mind could do anything and everything according to law, that its powers became the great object of study. Charms, magic, and other powers, and all that were nothing extraordinary, but a regularly taught science, just as the physical sciences they had taught before that. Such a conviction in these things came upon the race that physical sciences nearly died out. It was the one thing that came before them. Different sects of Yogis began to make all sorts of experiments. Some made experiments with light, trying to find out how lights of different colours produced changes in the body. There wore a certain coloured cloth, lived under a certain colour, and ate certain coloured foods. All sorts of experiments were made in this way. Others made experiments in sound by stopping and unstopping their ears. And still others experimented in the sense of smell and so on.

The whole ideas was to get at the basis, to reach the fine parts of the thing. And some of them really showed most marvelous powers. Many of them were trying to float in the air or pass through it. I shall tell you a story which I heard from a great scholar in the West. It was told him by a Governor of Ceylon who saw the performance. A girl was brought forward and seated crosslegged upon a stool made of sticks crossed. After she had been seated for a time, the show-man began to take out, one after another, these cross-bars; and when all were taken out, the girl was left floating in the air. The Governor thought there was some trick, so he drew his sword and violently passed it under the girl; nothing was there. Now, what was this? It was not magic or something extraordinary. That is the peculiarity. No one in India would tell you that things like this do not exist. To the Hindy it is a matter of course. You know what the Hindus would often say when they have to fight their enemies - "Oh, one of our Yogis will come and drive the whole lot out!" It is the extreme belief of the race. What power is there in the hand of the sword? The power is all in the spirit.

If this is true, it is temptation enough for the mind to exert its highest. But as with every other science it is very difficult to make any great achievement, so also with this, nay much more. Yet most people think that these powers can be easily gained. How many are the years you take to make a fortune? Think of that! First, how many years do you take to learn electrical science or engineering? And then you have to work all the rest of your life.

Again, most of the other sciences deal with things that do not move, that are fixed. You can analyse the chair, the chair does not fly from you. But this science deals with the mind, why moves all the time; the moment you want to study it, it slips. Now the mind is in one mood, the next moment, perhaps, it is different, changing, changing all the time. In the midst of all this change it has to be studied, understood, grasped and controlled. How much more difficult, then, is this science! It requires rigorous training. People ask me why I do not give them practical lessons. Why, it is no joke. I stand upon this platform talking to you and you go home and find no benefit; nor do I. Then you say, 'It is all bosh". It is because you wanted to make a bosh of it. I know very little of this science, but the little that I gained I worked for thirty years of my life, and for six years I have been telling people the years of hard struggle. Sometimes I worked at it twenty hours during the twenty-four; sometimes I slept only one hour in the night; sometimes I worked whole nights; sometimes I lived in places where there was hardly a sound, hardly a breath; sometimes I had to live in caves.Think of that. And yet I know little or nothing; I have barely touched the hem of the garment of this science. But I can understand that it is true and vast and wonderful.

Now, if there is any one amongst you who really wants to study this science, he will have to start with that sort of determination, the same as, nay even more than, that which he puts into any business of life.

And what an amount of attention does business require, and what a rigorous taskmaster it is! Even if the father, the mother, the wife, or the child dies, business cannot stop! Even if the heart is breaking, we still have to go to our place of business, when every hour of work is a pang. That is business, and we think that it is just, that it is right.

This science calls for more application than any business can ever require. Many men can succeed in business; very few in this. Because so much depends upon the particular constitution of the person studying it. As in business all may not make a fortune, but everyone can make something, so in the study of this science each one can get a glimpse which will convince him of its truth and of the fact that there have been men who realised it fully.

This is the outline of the science. It stands upon its own feet and in its own light, and challenges comparison with any other science. There have been charlatans, there have been magicians, there have been cheats, and more here than in any other field. Why? For the same reason, that the more profitable the business, the greater the number of charlatans and cheats. But that is no reason why the business should not be good. And one thing more; it may be good intellectual gymnastics to listen to all the arguments and an intellectual satisfaction to hear of wonderful things. But, if any one of you really wants to learn something beyond that, merely attending lectures will not do. That cannot be taught in lectures, for it is life; and life can only convey life. If there are any amongst you who are really determined to learn it, I shall be very glad to help them.