'Poison' in the Bible

and they'll pick up snakes with their hands.Even if they drink any deadly poison, it won't hurt them, and they'll place their hands on the sick, and they'll recover."

Their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips:

But the tongue can no man tame; it is an unruly evil, full of deadly poison.