For our self respect depends upon our ability to make requital, for good or for evil.

People who wish to numb our caution in dealing with them by means of flattery are employing a dangerous expedient, like a sleeping draught, which, if it does not put us to sleep, keeps us all the more awake.

You highest men whom I have ever seen! This is my suspicion about you and my secret laughter: I guess that you would call my superman--a devil!

Socrates and Plato are right: whatever man does he always does well, that is, he does that which seems to him good (useful) according to the degree of his intellect, the particular standard of his reasonableness.

Untroubled, scornful, outrageous - that is how wisdom wants us to be: she is a woman and never loves anyone but a warrior.

Only strong personalities can endure history, the weak are extinguished by it.

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