Their throat is a yawning grave; they use their tongues to deceive (to mislead and to deal treacherously). The venom of asps is beneath their lips. [Ps. 5:9; 140:3.]
And the tongue is a fire. [The tongue is a] world of wickedness set among our members, contaminating and depraving the whole body and setting on fire the wheel of birth (the cycle of man's nature), being itself ignited by hell (Gehenna).
And the huge dragon was cast down and out–that age-old serpent, who is called the Devil and Satan, he who is the seducer (deceiver) of all humanity the world over; he was forced out and down to the earth, and his angels were flung out along with him. [Gen. 3:1, 14, 15; Zech. 3:1.]