A wise man will live as much within his wit as within his income.

Man is more himself, man is more manlike, when joy is the fundamental thing in him, and grief the superficial.

A young fellow ought to be wiser than he should seem to be; and an old fellow ought to seem wise whether he really be so or not.

Sex: the pleasure is momentary, the position ridiculous, and the expense damnable.

Sculpture and painting are very justly called liberal arts; a lively and strong imagination, together with a just observation, being absolutely necessary to excel in either; which, in my opinion, is by no means the case of music, though called a liberal art, and now in Italy placed even above the other two--a proof of the decline of that country.

Know the true value of time; snatch, seize, and enjoy every moment of it. No idleness, no laziness, no procrastination: never put off till tomorrow what you can do today.

Six, or at most seven, hours' sleep is, for a constancy, as much as you or anybody else can want; more is only laziness and dozing, and is, I am persuaded, both unwholesome and stupefying.