Exodus 18:9

And Jethro rejoiced for all the goodness which the Lord had done to Israel, whom he had delivered out of the hand of the Egyptians.

Cross-reference

In Romans 12:15, Paul commands rejoicing with those who rejoice—Jethro models this by rejoicing over God’s goodness to Israel.

In 1 Corinthians 12:26, believers share each other’s joys—Jethro exemplifies this by rejoicing with Israel over their deliverance.