Passion often makes a madman of the cleverest man, and renders the greatest fools clever.

Les femmes peuvent moins surmonter leur coquetterie que leur passion.

All the passions are nothing else than different degrees of heat and cold of the blood.

The most violent passions sometimes leave us at rest, but vanity agitates us constantly.

The passions possess a certain injustice and self interest which makes it dangerous to follow them, and in reality we should distrust them even when they appear most trustworthy.

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.

We often pride ourselves on even the most criminal passions, but envy is a timid and shamefaced passion we never dare to acknowledge.

When the heart is still disturbed by the relics of a passion it is proner to take up a new one than when wholly cured.

The passions of youth are not more dangerous to health than is the lukewarmness of old age.