Deuteronomy 32:33 (a) The effect of liquor on the soul is compared to the poison that comes from the bite of the serpent. It contaminates the blood, it affects every part of the body, it ends in death.

Job 20:14 (a) The feeling expressed by Job caused his friends to say that he was feeding from the poison that comes from the snake. Job was considering and meditating in his heart the things that were bitter, harsh and evil in his life.

Romans 3:13 (b) This refers to the teaching and the ministry of false religious teachers whose doctrines are of the Devil. The messages which come from their mouths are as poison and they damage those who hear them. (See also Matthew 3:7).