The living is a species of the dead; and not a very attractive one.

I can tell by my own reaction to it that this book is harmful." But let him only wait and perhaps one day he will admit to himself that this same book has done him a great service by bringing out the hidden sickness of his heart and making it visible.— Altered opinions do not alter a man’s character (or do so very little); but they do illuminate individual aspects of the constellation of his personality which with a different constellation of opinions had hitherto remained dark and unrecognizable.

What good is a book that does not even transport us beyond all books?

The wheel and the brake have different duties, but also one in common: to hurt one another.

Whether in conversation we generally agree or disagree with others is largely a matter of habit: the one tendency makes as much sense as the other.

Women want to serve, and this is where their happiness lies: but the free spirit does not want to be served, and this is where hishappiness lies.

Only ideas won by walking have any value.