James 3:6-8
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 1:16
And he held in his right hand seven stars; and out of his mouth proceeded a sharp two-edged sword; and his countenance was as when the sun shineth in his meridian lustre.
Revelation 22:2
In the midst of the street of it, even on this side, and on that of the river, grew the tree of life, producing twelve crops of fruit, and ripening its fruit in succession every month; and the leaves of the tree are for the healing of the nations.