He who climbeth on the highest mountains, laugheth at all tragic plays and tragic realities.

Of all evil I deem you capable: Therefore I want good from you. Verily, I have often laughed at the weaklings who thought themselves good because they had no claws.

My humanity is a constant self-overcoming.

Truth will have no gods before it.- The belief in truth begins with the doubt of all truths in which one has previously believed.

In music the passions enjoy themselves.

For out of fear and need each religion is born, creeping into existence on the byways or reason.

The dyed-in-the-wool teacher takes everything seriously only with respect to his students--himself included.