I will say to a young woman, ‘Please lower your jar so I may drink.’ May the one you have chosen for your servant Isaac reply, ‘Drink, and I’ll give your camels water too.’ ¹  In this way I will know that you have been faithful to my master.” ² 

So he got up and went to Zarephath. When he went through the city gate, there was a widow gathering wood. He called out to her, “Please give me a cup ¹  of water, so I can take a drink.”