All this pleasure is derived from the use and consciousness of power; and the greatest of pains that a man can feel is to perceive that his powers fail just when he wants to use them. Therefore it will be advantageous for every man to discover what powers he possesses, and what powers he lacks. Let him, then, develop the powers in which he is pre-eminent, and make a strong use of them; let him pursue the path where they will avail him; and even though he has to conquer his inclinations, let him avoid the path where such powers are requisite as he possesses only in a low degree. In this way he will often have a pleasant consciousness of strength, and seldom a painful consciousness of weakness; and it will go well with him. But if he lets himself be drawn into efforts demanding a kind of strength quite different from that in which he is pre-eminent, he will experience humiliation; and this is perhaps the most painful feeling with which a man can be afflicted.
Yet there are two sides to everything. The man who has insufficient self-confidence in a sphere where he has little power, and is never ready to make a venture, will on the one hand not even learn how to use the little power that he has; and on the other, in a sphere in which he would at least be able to achieve something, there will be a complete absence of effort, and consequently of pleasure. This is always hard to bear; for a man can never draw a complete blank in any department of human welfare without feeling some pain.
As a child, one has no conception of the inexorable character of the laws of nature, and of the stubborn way in which everything persists in remaining what it is. The child believes that even lifeless things are disposed to yield to it; perhaps because it feels itself one with nature, or, from mere unacquaintance with the world, believes that nature is disposed to be friendly. Thus it was that when I was a child, and had thrown my shoe into a large vessel full of milk, I was discovered entreating the shoe to jump out. Nor is a child on its guard against animals until it learns that they are ill-natured and spiteful. But not before we have gained mature experience do we recognise that human character is unalterable; that no entreaty, or representation, or example, or benefit, will bring a man to give up his ways; but that, on the contrary, every man is compelled to follow his own mode of acting and thinking, with the necessity of a law of nature; and that, however we take him, he always remains the same. It is only after we have obtained a clear and profound knowledge of this fact that we give up trying to persuade people, or to alter them and bring them round to our way of thinking. We try to accommodate ourselves to theirs instead, so far as they are indispensable to us, and to keep away from them so far as we cannot possibly agree.
Ultimately we come to perceive that even in matters of mere intellect—although its laws are the same for all, and the subject as opposed to the object of thought does not really enter into individuality—there is, nevertheless, no certainty that the whole truth of any matter can be communicated to any one, or that any one can be persuaded or compelled to assent to it; because, as Bacon says, intellectus humanus luminis sicci non est: the light of the human intellect is coloured by interest and passion.
It is just because all happiness is of a negative character that, when we succeed in being perfectly at our ease, we are not properly conscious of it. Everything seems to pass us softly and gently, and hardly to touch us until the moment is over; and then it is the positive feeling of something lacking that tells us of the happiness which has vanished; it is then that we observe that we have failed to hold it fast, and we suffer the pangs of self-reproach as well as of privation.
Every happiness that a man enjoys, and almost every friendship that he cherishes, rest upon illusion; for, as a rule, with increase of knowledge they are bound to vanish. Nevertheless, here as elsewhere, a man should courageously pursue truth, and never weary of striving to settle accounts with himself and the world. No matter what happens to the right or to the left of him,—be it a chimaera or fancy that makes him happy, let him take heart and go on, with no fear of the desert which widens to his view. Of one thing only must he be quite certain: that under no circumstances will he discover any lack of worth in himself when the veil is raised; the sight of it would be the Gorgon that would kill him. Therefore, if he wants to remain undeceived, let him in his inmost being feel his own worth. For to feel the lack of it is not merely the greatest, but also the only true affliction; all other sufferings of the mind may not only be healed, but may be immediately relieved, by the secure consciousness of worth. The man who is assured of it can sit down quietly under sufferings that would otherwise bring him to despair; and though he has no pleasures, no joys and no friends, he can rest in and on himself; so powerful is the comfort to be derived from a vivid consciousness of this advantage; a comfort to be preferred to every other earthly blessing. Contrarily, nothing in the world can relieve a man who knows his own worthlessness; all that he can do is to conceal it by deceiving people or deafening them with his noise; but neither expedient will serve him very long.