No one has leave to sin.
He who acknowledges a kindness has it still, and he who has a grateful sense of it has requited it.
If wisdom be attainable, let us not only win but enjoy it.
He cannot be strict in judging, who does not wish others to be strict judges of himself.
No wise man has called a change of opinion in constancy.
There is no being of any race who, if he finds the proper guide, cannot attain to virtue.