Psalm 127:3 in the King James Version
Lo, children are an heritage of the LORD: and the fruit of the womb is his reward.
Context
2 It is vain for you to rise up early, to stay up late, eating the bread of toil, for he gives sleep to his loved ones.
3 Behold, children are a heritage of the LORD. The fruit of the womb is his reward.
4 As arrows in the hand of a mighty man, so are the children of youth.