Loving is half of believing.

We are given up to those gods, those monsters, those giants, — our thoughts.

Often the losing of a battle leads to the winning of progress. Less glory but greater liberty: the drum is silent and the voices of reason can be heard.

Philosophy is the microscope of thought. Everything desires to flee from it, but nothing escapes it.

Winter is on my head, but eternal spring is in my heart; I breathe at this hour the fragrance of the lilacs, the violets, and the roses, as at twenty years ago.

...Man lives by affirmation even more than he does by bread.

He saw before him two roads, both equally straight ; but he saw two; and that terrified him — him, who had never in his life known but one straight line. And, bitter anguish, these two roads were contradictory.