Vices are ingredients of virtues just as poisons are ingredients of remedies. Prudence mixes and tempers them and uses them effectively against life's ills.

We frequently do good in order to enable us to do evil later with impunity exemption of punishment.

If it were not for poetry, few men would ever fall in love.

Jealousy is always born with love, but does not die with it. In jealousy there is more of self-love than of love to another.

Whatever pretended causes we may blame our afflictions upon, it is often nothing but self-interest and vanity that produce them.

The greatest fault of a penetrating wit is to go beyond the mark.

A true friend is the most precious of all possessions and the one we take the least thought about acquiring.