Source of Knowledge

Character cannot be developed in ease and quiet. Only through experience of trial and suffering can the soul be strengthened, ambition inspired, and success achieved.

Education is what remains, after one has forgotten what one has learned in school.

Good judgment comes from experience, and a lot of that comes from bad judgment.

If you want to live a happy life,

Tie it to a goal, not to people or things.

There is only one corner of the universe you can be certain of improving, and that's your own self.