James 3:6-8
And the tongue is a fire. That world of iniquity, the tongue, is placed within us spotting and soiling our whole nature, and setting the whole round of our lives on fire, being itself set on fire by Gehenna.
Revelation 1:16
In His right hand He held seven stars, and a sharp, two-edged sword was seen coming from His mouth; and His glance resembled the sun when it is shining with its full strength.
Revelation 22:2
On either side of the river, midway between it and the main street of the city, was the Tree of Life. It produced twelve kinds of fruit, yielding a fresh crop month by month, and the leaves of the tree served as medicine for the nations.