As for what was narrated by Ahmad ibn Muhammad from Muhammad ibn Yahya from Ammar from (Imam) Ja'far عليه السلام from his father عليه السلام, peace be upon them both: (Imam عليه السلام) said: “(Imam) Ali عليه السلام, peace be upon him, said: ‘The prayer is not sufficient if the nose does not touch what the forehead touches’."