Proverbs 20:17

"Bread of deceit is sweet to a man; but afterwards his mouth shall be filled with gravel."

Cross References (ranked by relevance)

Rejoice, O young man, in thy youth; and let thy heart cheer thee in the days of thy youth, and walk in the ways of thine heart, and in the sight of thine eyes: but know thou, that for all these things God will bring thee into judgment.

Hebrews 11:25

Choosing rather to suffer affliction with the people of God, than to enjoy the pleasures of sin for a season;

Proverbs 4:17

For they eat the bread of wickedness, and drink the wine of violence.