It is far better to be deceived than undeceived by those whom we tenderly love.

A certain harmony should be kept between actions and ideas if we want to fully develop the effects they can produce.

A man often thinks he rules himself, when all the while he is ruled and managed; and while his understanding directs one design, his affections imperceptibly draw him into another.

If we judge love by most of its effects, it resembles rather hatred than affection.

Preserving the serious health condition is usually painful.

Youth changes its tastes by the warmth of its blood; age retains its tastes by habit.

What renders other people's vanity insufferable is that it wounds our own.