To know how to suggest is the great art of teaching. To attain it we must be able to guess what will interest; we must learn to read the childish soul as we might a piece of music. Then, by simply changing the key, we keep up the attraction and vary the song.

The fire which enlightens is the same fire which consumes.

He who floats with the current, who does not guide himself according to higher principles, who has no ideal, no convictions-such a man is . . . a thing moved, instead of a living and moving being-an echo, not a voice. The man who has no inner-life is a slave of his surroundings as the barometer is the obedient servant of the air.

Dreams are excursions into the limbo of things, a semi-deliverance from the human prison.

Uncertainty is the refuge of hope.

A man without passion is only a latent force, only a possibility, like a stone waiting for the blow from the iron to give forth sparks.

To do easily what is difficult for others is the mark of talent.