Begin thus from the first act, and proceed; and, in conclusion, at the ill which thou hast done, be troubled, and rejoice for the good.
No one is free who has not obtained the empire of himself.
Animals share with us the privilege of having a soul.
Do not even think of doing what ought not to be done.
Friendship is one soul in two bodies.
The oldest, shortest words - 'yes' and 'no' - are those which require the most thought.