We cannot afford to forget any experience, not even the most painful.

It is easy to be nice, even to an enemy - from lack of character.

Is life so wretched? Isn't it rather your hands which are too small, your vision which is muddled? You are the one who must grow up.

Humility is just as much the opposite of self-abasement as it is of self-exaltation.

It is more noble to give yourself completely to one individual than to labor diligently for the salvation of the masses.

Unless there is a spiritual renaissance, the world will know no peace.

Here man is no longer the center of the world, only a witness, but a witness who is also a partner in the silent life of Nature, bound by secret affinities of the trees.