Pity is love in undress.
An opinion may be controverted; a prejudice, never.
When two good men contend about principles, both are always right.
Not reading a beautiful book again because you've already read it, that is, as if you were not visiting a dear friend again because you know him already.
He who believes in freedom of the will has never loved and never hated.
It's bad enough when married people bore one another, but it's much worse when only one of them bores the other.