How few there are who have courage enough to own their faults, or resolution enough to mend them

Love your enemies, for they tell you your faults

What pains our Justice takes his faults to hide, With half that pains sure he might cure 'em quite

A benevolent man should allow a few faults in himself, to keep his friends in countenance

To find out a girl's faults, praise her to her girl friends.

Don't throw stones at your neighbours, if your own windows are glass.