Chapter on What Invalidates Fasting, What Impairs the Conditions of Its Obligation, and Nullifies Fasting

Al-Husayn ibn Said, from Muhammad ibn Abi Umayr, from Hammad ibn Uthman, from Muhammad ibn Muslim, who said: I (narrator) heard Abu Ja’far عليه السلام, peace be upon him, saying: “Nothing harms the fasting person in what he does if he avoids three qualities; food and drink, women, and immersion in water (al-irtimas fi al-ma).”