Proverbs Chapter 15, Verse 4
From BibleWiki
4: A wholesome tongue is a tree of life: but perverseness therein
is a breach in the spirit.
4: A peaceable tongue is a tree of life: but that which is
immoderate, shall crush the spirit.
4: The wholesome tongue is a tree of life, and he that keeps it shall be filled with understanding.
Proverbs Chapter 15, Verse 4/commentary

