Muhammad ibn Yaqub, from Ahmad ibn Idris, from Muhammad ibn Ahmad ibn Yahya, from Ahmad ibn al-Husayn, from Amr ibn Said, from Musaddiq ibn Sadaqah, from Ammar ibn Musa al-Sabati, from Abu Abdillah عليه السلام, peace be upon him: (Imam عليه السلام was asked) regarding ‘a man who is afflicted by thirst until he fears for himself.’ Imam عليه السلام said: “He drinks the amount by which he preserves his life (ramaq), and he does not drink until he is quenched.”