The highest purpose of intellectual cultivation is to give a man a perfect knowledge and mastery of his own inner self.

Philosophy is properly home-sickness; the wish to be everywhere at home.

Humanity is the higher meaning of our planet, the nerve that connects this part of it with the upper world, the eye it raises to heaven.

Every disease is a musical problem. Its cure a musical solution. The more rapid and complete the solution, the greater the musical talent of the doctor.

To become properly acquainted with a truth, we must first have disbelieved it, and disputed against it.

The ideal of morality has no more dangerous rival than the ideal of highest strength, of most powerful life. It is the maximum of the savage.

The badge of honesty is simplicity.