Deuteronomy 8:16; Exodus 15:25

16 who fed you in the wilderness with omanna that your fathers did not know, that he might humble you and test you, pto do you good in the end.

25 And he dcried to the Lord, and the Lord showed him a log,1 and he ethrew it into the water, and the water became sweet.

There the Lord2 made for them a statute and a rule, and there he ftested them,