I may be mistaken but it seems to me that a man may be judged by his laugh, and that if at first encounter you like the laugh of a person completely unknown to you, you may say with assurance that he is good.

To strive consciously for an object and to engage in engineering -- that is, incessantly and eternally to make new roads, wherever they may lead.

It sometimes happened that you might be familiar with a man for several years thinking he was a wild animal, and you would regard him with contempt. And then suddenly a moment would arrive when some uncontrollable impulse would lay his soul bare, and you would behold in it such riches, such sensitivity and warmth, such a vivid awareness of its own suffering and the suffering of others, that the scales would fall from your eyes and at first you would hardly be able to believe what you had seen and heard. The reverse also happens.

Generally speaking, our prisoners were capable of loving animals, and if they had been allowed they would have delighted to rear large numbers of domestic animals and birds in the prison. And I wonder what other activity could better have softened and refined their harsh and brutal natures than this. But it was not allowed. Neither the regulations nor the nature of the prison made it possible.

I am a sick man...I am a spiteful man. I am an unattractive man. I think my liver is diseased. Then again, I don't know a thing about my illness; I'm not even sure what hurts.

We do not understand that life is paradise, for it suffices only to wish to understand it, and at once paradise will appear in front of us in its beauty.

People with new ideas, people with the faintest capacity for saying something new, are extremely few in number, extraordinarily so, in fact.