Wonder is the feeling of the philosopher, and philosophy begins in wonder.

Injustice is censured because the censures are afraid of suffering, and not from any fear which they have of doing injustice.

It is our duty to select the best and most dependable theory that human intelligence can supply, and use it as a raft to ride the seas of life.

Love is a madness produced by an unsatisfiable rational desire to understand the ultimate truth about the world.

You cannot go into the same water twice.

The knowledge of which geometry aims is the knowledge of the eternal.

Wine fills the heart with courage.