He falls in the pit he digs for others.

There's fence against all things except death.

Sometimes an ill favored bitch gnaws a good chord.

To whom thy secret thou dost tell, to him thy freedom thou dost sell.

Circumretit enim vis atque iniuria quemque, atque, unde exortast, at eum plerumque revertit.

People who treat other people as less than human must not be surprised when the bread they have cast on the waters comes floating back to them, poisoned.

Aggression unopposed becomes a contagious disease.