4 The words of the mouth are deep waters, but the fountain of wisdom is a rushing stream.

Read Proverbs 18:4 Using Other Translations

The words of a man's mouth are as deep waters, and the wellspring of wisdom as a flowing brook.
The words of a man's mouth are deep waters; the fountain of wisdom is a bubbling brook.
Wise words are like deep waters; wisdom flows from the wise like a bubbling brook.