We seldom find people ungrateful so long as it is thought we can serve them.
Francois de La RochefoucauldSincerity is an openness of heart; we find it in very few people; what we usually see is only an artful dissimulation to win the confidence of others.
Francois de La RochefoucauldIt is as common for tastes to change as it is uncommon for traits of character.
Francois de La RochefoucauldSome good qualities are like the senses: Those who are entirely deprived of them can have no notion of them.
Francois de La Rochefoucauld