Insincerity is always weakness; sincerity even in error is strength.

Originality is independence, not rebellion; it is sincerity, not antagonism.

Science is the systematic classification of experience.

Science is the systematic classification of experience.

Imagination is not the exclusive appanage of artists, but belongs in varying degrees to all men.

The only cure for grief is action.

Philosophy and Art both render the invisible visible by imagination.