Friends are rare for, the good reason that men are not common.
Friendship is the ideal; friends are the reality; reality always remains far apart from the ideal.
The chief cause of our misery is less the violence of our passions than the feebleness of our virtues.
Friendship admits of difference of character, as love does that of sex.
We distrust our heart too much, and our head not enough.
We often experience more regret over the part we have left, than pleasure over the part we have preferred.