Two persons cannot long be ...

Two persons cannot long be friends if they cannot forgive each other's little failings.
 Jean de La Bruyère

Quotes from the same author

Love and friendship exclude each other.
 Jean de La Bruyère
No man is so perfect, so necessary to his friends as to give them no cause to miss him less.
 Jean de la Bruyere
Poverty may be the mother of crime, but lack of good sense is the father.
 Jean de la Bruyere
During the course of our life we now and then enjoy some pleasures so inviting, and have some encounters of so tender a nature, that though they are forbidden, it is but natural to wish that they were at least allowable. Nothing can be more delightful, except it be to abandon them for virtue's sake.
 Jean de la Bruyere
If poverty is the mother of all crimes, lack of intelligence is the father.
 Jean de la Bruyere