What did the Prophet Muhammad (peace be upon him) say about the meaning of a vision he had involving people wearing shirts of varying lengths?
      Narrated Abu Said Al-Khudri:                          Allah's Apostle said, "While I was sleeping I saw (in a dream) some      people wearing shirts of which some were reaching up to the breasts      only while others were even shorter than that. Umar bin Al-Khattab was     shown wearing a shirt that he was dragging." The people asked, "How      did you interpret it? (What is its interpretation) O Allah's Apostle?"     He (the Prophet ) replied, "It is the Religion."