It will always be foolish to ask a cheater if they would ever cheat on you.
A deceitful tongue will always be good at twisting the truth.
A rich man who robs from the poor is really a pauper in the land of morality.
It is a moral travesty to give a woefully thirsty man a drink of water in a measuring cup.
In a kingdom of thieves, the ways of an honest man will always be a crime.