Sincerity 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.

He who lives without folly is not as wise as he may think.

The heart is forever making the head its fool.

There are very few people who are not ashamed of having been in love when they no longer love each other.

Nothing is impossible; there are ways that lead to everything, and if we had sufficient will we should always have sufficient means. It is often merely for an excuse that we say things are impossible.

No man is clever enough to know all the evil he does.