Job 15:31

Let not him that is deceived trust in vanity: for vanity shall be his recompence.
— Job 15:31, King James Version

In other translations

World English Bible (WEB)

Let him not trust in emptiness, deceiving himself; For emptiness shall be his reward.

American Standard Version (ASV)

Let him not trust in vanity, deceiving himself; For vanity shall be his recompense.

Young's Literal Translation (YLT)

Let him not put credence in vanity, He hath been deceived, For vanity is his recompence.