Laughter means: taking a mischievous delight in someone else's uneasiness, but with a good conscience.

There is an innocence in admiration; it is found in those to whom it has never yet occurred that they, too, might be admired some day.

I love him who laboureth and inventeth, that he may build the house for the Superman, and prepare for him earth, animal, and plant: for thus seeketh he his own down-going.

A person unlearns arrogance when he knows he is always among worthy human beings; being alone fosters presumption. Young people are arrogant because they always associate with their own peers, those who are all really nothing but who would like to be very important.

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.

How did reason come into the world? As is fitting, in an irrational manner, by accident. One will have to guess at it as at a riddle.

In the end we love our desire and not what it is that we desire.