And they were to prove Israel by them, to know whether they would listen to the commandments of the LORD, which he commanded their fathers by the hand of Moses.
And he cried to the LORD; and the LORD showed him a tree, which when he had cast into the waters, the waters were made sweet: there he made for them a statute and an ordinance, and there he proved them,
And of Levi he said, Let your Thummim and your Urim be with your holy one, whom you did prove at Massah, and with whom you did strive at the waters of Meribah;
And you shall remember all the way which the LORD your God led you these forty years in the wilderness, to humble you, and to prove you, to know what was in your heart, whether you would keep his commandments, or no.