Be thou as chaste as ice, as pure as snow, thou shalt not escape calumny.
One of the striking differences between a cat and a lie is that a cat has only nine lives.
You sit maligning your own kin, slandering the child of your own mother.
— Psalm 50
If they have called the master of the house Beelzebul, how much more those of his household!
— Matthew 10
It takes a lifetime to build a reputation, and a single rumor to destroy it.
[T]hey have committed false report; moreover, they have spoken untruths; secondarily, they are slanders; sixth and lastly, they have belied a lady; thirdly, they have verified unjust things; and, to conclude, they are lying knaves.
— Dogberry, Much Ado About Nothing