if I say to a young woman, ‘Please lower your jug, that I may drink,’ and she answers, ‘Drink, and I will water your camels, too,’ then she is the one whom you have decided upon for your servant Isaac. In this way I will know that you have dealt graciously with my master.”
With that, she quickly emptied her jug into the drinking trough and ran back to the well to draw more water, until she had drawn enough for all the camels.