The wise man lives as long as he ought, not so long as he can.

Let [children] be able to do all things, and love to do only the good.

I speak the truth, not my fill of it, but as much as I dare speak; and I dare to do so a little more as I grow old.

Obstinacy and heat in argument are surest proofs of folly. Is there anything so stubborn, obstinate, disdainful, contemplative, grave, or serious, as an ass?

Wit is a dangerous weapon, even to the possessor, if he knows not how to use it discreetly.

There is as much difference between us and ourselves as there is between us and others.

From Obedience and submission comes all our virtues, and all sin is comes from self-opinion.