All theory, my friend, is grey, But green is life's glad golden tree.

Art is in itself noble; that is why the artist has no fear of what is common. This, indeed, is already ennobled when he takes it up.

Enjoy what you can, endure what you must.

Many hammer all over the wall and believe that with each blow they hit the nail on the head.

The iron hand of necessity commands, and her stern decree is supreme law, to which the gods even must submit. In deep silence rules the uncounselled sister of eternal fate. Whatever she lays upon thee, endure; perform whatever she commands.

I have always paid attention to the merits of my enemies, and found it an advantage.

Character - in things great and small - is indicated when a man (or person) pursues with sustained follow-through what he feels himself capable of doing.