What dangers you run, O noble souls! Often, you give your heart, but we take only your body. Your heart is left to you and you look at it in the shadows and shudder.

Caution is the eldest child of wisdom.

Everything speaks: the flowing airstream and the sailing halycon, the blade of grass, the flower, the bud, the element; did you imagine the universe to be otherwise?

In love, such a word, whispered, is a mysterious kiss of the soul to the soul.

The man who does not know other languages, unless he is a man of genius, necessarily has deficiencies in his ideas.

Friend is sometimes a word devoid of meaning; enemy, never.

It is those books which a man possesses but does not read which constitute the most suspicious evidence against him.