Then he cried out to יהוה, and יהוה showed him a tree. And when he threw it into the waters, the waters were made sweet. There He made a law and a right-ruling for them, and there He tried them.
“And you shall remember that יהוה your Elohim led you all the way these forty years in the wilderness, to humble you, prove you, to know what is in your heart, whether you guard His commands or not.