Genesis 3:1
Now the serpent was more subtle than any beast of the field which the LORD God had made. And he said to the woman, Yes, has God said, You shall not eat of every tree of the garden?
Torrey's Topical Textbook—AKJV

Matthew 10:16
Behold, I send you forth as sheep in the middle of wolves: be you therefore wise as serpents, and harmless as doves.
Torrey's Topical Textbook—AKJV