We ought to give our friend pain if it will benefit him, but not to the extent of breaking off our friendship; but just as we make use of some biting medicine that will save and preserve the life of the patient. And so the friend, like a musician, in bringing about an improvement to what is good and expedient, sometimes slackens the chords, sometimes tightens them, and is often pleasant, but always useful.

It is part of a good man to do great and noble deeds, though he risk everything.

Barba non facit philosophum

Had I a careful and pleasant companion that should show me my angry face in a glass, I should not at all take it ill; to behold man's self so unnaturally disguised and dishonored will conduce not a little to the impeachment of anger.

Vultures are the most righteous of birds: they do not attack even the smallest living creature.

What sort of tree is there which will not, if neglected, grow crooked and unfruitful; what but Will, if rightly ordered, prove productive and bring its fruit to maturity? What strength of body is there which will not lose its vigor and fall to decay by laziness, nice usage, and debauchery?

The very spring and root of honesty and virtue lie in good education.