As fire when thrown into water is cooled down and put out, so also a false accusation when brought against a man of the purest and holiest character, boils over and is at once dissipated, and vanishes.
Marcus Tullius CiceroLay down this rule of friendship: neither ask nor consent to do what is wrong. The plea, 'for friendship's sake,' is a discreditable one, and should not be admitted for a moment. We should ask from friends and do for friends only what is good.
Marcus Tullius Cicero