Verse Comparison: Proverbs 18:4
American Standard Version
The words of a man's mouth are `as' deep waters; The wellspring of wisdom is `as' a flowing brook.
Amplified® Bible
The words of a [discreet and wise] man's mouth are like deep waters [plenteous and difficult to fathom], and the fountain of skillful {and} godly Wisdom is like a gushing stream [sparkling, fresh, pure, and life-giving].
Contemporary English Version
Words of wisdom are a stream that flows from a deep fountain. 
Darby English Version
The words of a man's mouth are deep waters, [and] the fountain of wisdom is a gushing brook.
Good News Bible
A person's words can be a source of wisdom, deep as the ocean, fresh as a flowing stream. 
King James Version
The words of a man's mouth are as deep waters, and the wellspring of wisdom as a flowing brook.
New American Standard Bible
The words of a man's mouth are deep waters; The fountain of wisdom is a bubbling brook.
New International Version
The words of a man's mouth are deep waters, 
 but the fountain of wisdom is a bubbling brook.
New King James Version
The words of a man's mouth are deep waters; 
 The wellspring of wisdom is a flowing brook. 
N.A.S.B. in E-Prime
The words of a man's mouth resemble deep waters; The fountain of wisdom resembles a bubbling brook. 
Revised Standard Version
The words of a man's mouth are deep waters; the fountain of wisdom is a gushing stream.
Young's Literal Translation
Deep waters `are' the words of a man's mouth, The fountain of wisdom `is' a flowing brook.