When a deceiving man tells you to climb a tree, tell him to climb it first. If he finds a comfortable spot you can follow him. (Ghanaian Proverb) - More Ghanaian Proverbs...
Lie to a liar, for lies are his coin; Steal from a thief, for that is easy; lay a trap for a trickster and catch him at first attempt, but beware of an honest man. (Egyptian Proverb) - More Egyptian Proverbs...