James 3:8

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

Romans 3:13

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

James 3:6

And the tongue is a fire, a world of iniquity: in such manner is the tongue placed among our members, that it defileth all the body, and setteth on fire the circle of nature; and is set on fire of hell.

Revelation 12:9

And the great dragon was cast out, that old serpent, who is called the Devil, and Satan, who deceiveth the whole world: he was cast out into the earth, and his angels were cast out with him.

Treasury of Scripture Knowledge

Summary

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

An unruly

General references

Bible References

An unruly

James 3:6
And the tongue is a fire, a world of iniquity: in such manner is the tongue placed among our members, that it defileth all the body, and setteth on fire the circle of nature; and is set on fire of hell.

Full

Romans 3:13
Their throat is an open sepulchre; with their tongues they have spoken craftily; the poison of asps is under their lips:
Revelation 12:9
And the great dragon was cast out, that old serpent, who is called the Devil, and Satan, who deceiveth the whole world: he was cast out into the earth, and his angels were cast out with him.

General references

Matthew 15:18
But the things which go forth out of the mouth, come out of the heart, and they are the things which defile a man: