We are unknown to ourselves, we men of knowledge - and with good reason. We have never sought ourselves - how could it happen that we should ever find ourselves? It has rightly been said: "Where your treasure is, there will your heart be also"; our treasure is where the beehives of our knowledge are.

One does not hate so long as one continues to rate low, but only when one has come to rate equal or higher.

Love your enemies because they bring out the best in you.

Life is that which must overcome itself again and again

Art is the highest task and the proper metaphysical activity of this life.

An educator never says what he himself thinks, but only that which he thinks it is good for those whom he is educating to hear.

So long as men praise you, you can only be sure that you are not yet on your own true path but on someone else's.