And they did land upon the shore of the promised land. And when they had set their feet upon the shores of the promised land they bowed themselves down upon the face of the land, and did humble themselves before the Lord, and did shed tears of joy before the Lord, because of the multitude of his tender mercies over them.

ether 6:12

the people of Jared remember how merciful the Lord had been to them. it served as a reminder in the future and they chose to be more righteous in gratitude.