James 3:8
No human being can tame the tongue. It is a restless plague! It is charged with deadly poison!
Romans 3:13
'Their throats are like opened graves; they deceive with their tongues.' 'The venom of serpents lies behind their lips,'
James 3:6
And the tongue is like a spark. Among the members of our body it proves itself a very world of mischief; it contaminates the whole body; it sets the wheels of life on fire, and is itself set on fire by the flames of the Pit.
Revelation 12:9
Then the great Dragon, the primeval Serpent, known as the 'Devil' and 'Satan,' who deceives all the world, was hurled down to the earth, and his angels were hurled down with him.