In the evolution of knowledge-mistaken and unnecessary beliefs are forced out and supplanted by truer and more necessary knowledge. So too in the evolution of feelings, which takes place by means of art. Lower feelings-less kind and less needed for the good of humanity-are forced out and replaced by kinder feelings which better serve us individually and collectively. This is the purpose of art.

All the variety, all the charm, all the beauty of life is made up of light and shadow.

Each man lives for himself, uses his freedom to achieve his personal goals, and feels with his whole being that right now he can or cannot do such-and-such an action; but as soon as he does it, this action, committed at a certain moment in time, becomes irreversible, and makes itself the property of history, in which is has not a free but a predestined significance.

War is like a game of chess ... but with this little difference, that in chess you may think over each move as long as you please and are not limited for time, and with this difference too, that a knight is always stronger than a pawn, and two pawns are always stronger than one, while in war a battalion is sometimes stronger than a division and sometimes weaker than a company. The relative strength of bodies of troops can never be known to anyone.... Success never depends, and never will depend, on position, or equipment, or even on numbers, and least of all on position.

Error is the force that welds men together; truth is communicated to men only by deeds of truth.

But the older he grew and the more intimately he came to know his brother, the oftener the thought occurred to him that the power of working for the general welfare – a power of which he felt himself entirely destitute – was not a virtue but rather a lack of something: not a lack of kindly honesty and noble desires and tastes, but a lack of the power of living, of what is called heart – the aspiration which makes a man choose one out of all the innumerable paths of life that present themselves, and desire that alone.

The struggle with evil by means of violence is the same as an attempt to stop a cloud, in order that there may be no rain.