Teach him a certain refinement in sorting out and selecting his arguments, with an affection for relevance and so for brevity. Above all let him be taught to throw down his arms and surrender to truth as soon as he perceives it, whether the truth is born at his rival's doing or within himself from some change in his ideas.

How often our involuntary facial motions testify to the thoughts we were keeping secret, and betray us to those around!

Knowledge is an excellent drug; but no drug has virtue enough to preserve itself from corruption and decay, if the vessel be tainted and impure wherein it is put to keep.

Cowardice is the mother of cruelty.

Fortune, to show us her power in all things, and to abate our presumption, seeing she could not make fools wise, has made them fortunate.

To behave rightly, we ourselves should never lay a hand on our servants as long as our anger lasts. Things will seem different to us when we have quieted and cooled down.

Disappointment and feebleness imprint upon us a cowardly and valetudinarian virtue.