Wisdom allows nothing to be good that will not be so forever; no man to be happy but he that needs no other happiness than what he has within himself; no man to be great or powerful that is not master of himself.
So live with an inferior as you would wish a superior to live with you.
He, who will not pardon others, must not himself expect pardon.
Consider an enemy may become a friend.
Life is short and art is long.
Speech devoted to truth should be straightforward and plain