Proverbs 20:17
Fraudulent food is sweet to a man, but afterwards his mouth is filled with gravel.
World English Bible (Public Domain)
In context
Before · Proverbs 20:15–16
15There is gold and abundance of rubies, but the lips of knowledge are a rare jewel. 16Take the garment of one who puts up collateral for a stranger; and hold him in pledge for a wayward woman.
17Fraudulent food is sweet to a man, but afterwards his mouth is filled with gravel.