Proverbs 12:18
"There is that speaketh like the piercings of a sword: but the tongue of the wise is health."
Cross References (ranked by relevance)
Pleasant words are as an honeycomb, sweet to the soul, and health to the bones.
A wholesome tongue is a tree of life: but perverseness therein is a breach in the spirit.
My soul is among lions: and I lie even among them that are set on fire, even the sons of men, whose teeth are spears and arrows, and their tongue a sharp sword.
Thy tongue deviseth mischiefs; like a sharp razor, working deceitfully.
A man that beareth false witness against his neighbour is a maul, and a sword, and a sharp arrow.
The lips of the wise disperse knowledge: but the heart of the foolish doeth not so.
For they are life unto those that find them, and health to all their flesh.
And they that understand among the people shall instruct many: yet they shall fall by the sword, and by flame, by captivity, and by spoil, many days.
A wicked messenger falleth into mischief: but a faithful ambassador is health.
Who whet their tongue like a sword, and bend their bows to shoot their arrows, even bitter words:
And he had in his right hand seven stars: and out of his mouth went a sharp twoedged sword: and his countenance was as the sun shineth in his strength.
In the midst of the street of it, and on either side of the river, was there the tree of life, which bare twelve manner of fruits, and yielded her fruit every month: and the leaves of the tree were for the healing of the nations.
Behold, they belch out with their mouth: swords are in their lips: for who, say they, doth hear?