The unforgivable sin is the refusal to pardon.

To know what people really think, pay regard to what they do, rather than what they say.

Religion should be disentangled as much as possible from history and authority and metaphysics, and made to rest honestly on one's fine feelings, on one's indomitable optimism and trust in life.

With an artist no sane man quarrels, any more than with the colour of a child's eyes.

Man is a gregarious animal, and much more so in his mind than in his body. He may like to go alone for a walk, but he hates to stand alone in his opinions.

In each person I catch the fleeting suggestion of something beautiful and swear eternal friendship with that.

Even under the most favorable circumstances no mortal can be asked to seize the truth in its wholeness or at its center.