There is scarcely any man sufficiently clever to appreciate all the evil he does.

There is great skill in knowing how to conceal one's skill.

People are often vain of their passions, even of the worst, but envy is a passion so timid and shame-faced that no one ever dare avow her.

Wit sometimes enables us to act rudely with impunity.

No man deserves to be praised for his goodness, who has it not in his power to be wicked. Goodness without that power is generally nothing more than sloth, or an impotence of will.

We should manage our fortune as we do our health - enjoy it when good, be patient when it is bad, and never apply violent remedies except in an extreme necessity

Strength and weakness of mind are misnomers; they are really nothing but the good or bad health of our bodily organs.