Man never knows what he wants; he aspires to penetrate mysteries and as soon as he has, wants to re-establish them. Ignorance irritates him and knowledge cloys.

Civilization is first of all a moral thing. Without truth, respect for duty, love of neighbor, and virtue, everything is destroyed. The morality of a society is alone the basis of civilization.

Oh be swift to live, make haste to be kind.

The ideal, after all, is true than the real: for the ideal is the eternal element in perishable things.

To know how to suggest is the art of teaching.

Analysis kills spontaneity. The grain once ground into flour springs and germinates no more.

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.