To rule is easy, to govern difficult.
To a valet no man is a hero.
Limitation of aims is the mother of wisdom and the secret of achievement.
The world is so great and rich, and life so full of variety, that you can never lack occasions for poems.
The ideal of beauty is simplicity and tranquility.
The dear good people don't know how long it takes to learn to read. I've been at it eighty years, and can't say yet that I've reached the goal.