Now let it be that the young woman to whom I say, ‘Please let down your pitcher that I may drink,’ and she says, ‘Drink, and I will also give your camels a drink’—let her be the one You have appointed for Your servant Isaac. And by this I will know that You have shown kindness to my master.”
and you shall hear what they say; and afterward your hands shall be strengthened to go down against the camp.” Then he went down with Purah his servant to the outpost of the armed men who were in the camp.
So He said, “I will certainly be with you. And this shall be a sign to you that I have sent you: When you have brought the people out of Egypt, you shall serve God on this mountain.”
Then Isaiah said, “This is the sign to you from the Lord, that the Lord will do the thing which He has spoken: shall the shadow go forward ten degrees or go backward ten degrees?”