Grass does not grow on the nose of a thief.
More Nigerian Proverbs:
If you have run out of gunpowder, use your gun as a club.
Nigerian
Money kills more than do weapons.
Nigerian
If you rise too early, the dew will wet you.
Nigerian
You cannot run with the hare and hunt with the hounds.
Nigerian
If you fail to take away a strong man's sword when he is on the ground, will you do it when he gets up?
Nigerian