I was with Ibn ‘Abbas when a man came and sat beside him. Ibn ‘Abbas asked, 'Where have you come from?' The man replied, 'I have just drunk from Zamzam.' Ibn ‘Abbas asked, 'Did you drink from it as it ought to be drunk?' The man asked, 'And how is that, O Ibn ‘Abbas?' He replied, 'Face the Qiblah, say Bismillah (In the name of Allah), and drink. Breathe [between sips] three times, and when you have finished, praise Allah. And drink until you are filled; for indeed, I heard the Messenger of Allah ﷺ say: "The sign [of distinction] between us and the hypocrites is that they do not drink their fill of Zamzam.