Happiness gives us the energy which is the basis of health.

It gives liberty and breadth to thought, to learn to judge our own epoch from the point of view of universal history, history from the point of view of geological periods, geology from the point of view of astronomy.

Men prefer the false due to habit, passion, will. Preference for truth is rare. Men are ruled by their fear of truth.

Nothing is more characteristic of a man than the manner in which he behaves toward fools.

At bottom there is but one subject of study: the forms and metamorphoses of mind. All other subjects may be reduced to that; all other studies bring us back to this study.

Everything which is, is thought, but not conscious and individual thought. The human intelligence is but the consciousness of being. It is what I have formulated before: Everything is a symbol of a symbol, and a symbol of what? Of mind.

Criticism is above all a gift, an intuition, a matter of tact and flair; it cannot be taught or demonstrated--it is an art.