Virtue needs a director and guide. Vice can be learned even without a teacher.
He has committed the crime who profits by it.
No one should feel pride in anything that is not his own.
Philosophy is good advice, and no one gives good advice at the top of his lungs.
Obedience is yielded more readily to one who commands gently.
No one can be happy who has been thrust outside the pale of truth. And there are two ways that one can be removed from this realm: by lying, or by being lied to.