Unexplained, obscure matters are regarded as more important than explained, clear ones.

What we call truths are just those errors that we cannot give up.

The perfect woman is a higher type of humanity than the perfect man, and also something much rarer. The natural history of animals furnishes grounds in support of this theory.

Let us guard against saying that there are laws in nature. There are merely necessities: there is no one who commands, no one whoobeys, no one who transgresses. Once you understand that there are no purposes, then you also understand that nothing is accidental: for it is only in a world of purposes that the word "accident" makes sense.

Nobody is so constituted as to be able to live everywhere and anywhere; and he who has great duties to perform, which lay claim toall his strength, has, in this respect, a very limited choice. The influence of climate upon the bodily functionsextends so far, that a blunder in the choice of locality and climate is able not only to alienate a man from his actual duty, but also to withhold it from him altogether, so that he never even comes face to face with it.

A man of genius is unbearable, unless he possesses at least two things besides: gratitude and purity.

Against the censurers of brevity. - Something said briefly can be the fruit of much long thought: but the reader who is a novice in this field, and has as yet reflected on it not at all, sees in everything said briefly something embryonic, not without censuring the author for having served him up such immature and unripened fare.