Now the serpent was more subtil than any beast of the field which the LORD God had made. And he said unto the woman, Yea, hath God said, Ye shall not eat of every tree of the garden?
Ecclesiastes 10:8He that diggeth a pit shall fall into it; and whoso breaketh an hedge, a serpent shall bite him.
Matthew 10:16Behold, I send you forth as sheep in the midst of wolves: be ye therefore wise as serpents, and harmless as doves.