A blade won’t cut another blade; a cheat won’t cheat another cheat.
More Ethiopian Proverbs:
When one is prepared, difficulties do not come.Ethiopian
Great men have big hearts.
Ethiopian
No better witnesses than your own eyes.
Ethiopian
What one desires is always better than what one has.
Ethiopian
A cat may go to a monastery, but she still remains a cat.
Ethiopian
When a fool is cursed, he thinks he is being praised.
Ethiopian