Narrated Jabir bin `Abdullah: When the Ka`ba was built, the Prophet and `Abbas went to bring stones (for its construction). Al `Abbas said to the Prophet, "Take off your waist sheet and put it on your neck." (When the Prophet took it off) he fell on the ground with his eyes open towards the sky and said, "Give me my waist sheet." And he covered himself with it.

Narrated Jabir bin `Abdullah: While Allah's Apostle was carrying stones (along) with the people of Mecca for (the building of) the Ka`ba wearing an Izar (waist-sheet cover), his uncle Al-`Abbas said to him, "O my nephew! (It would be better) if you take off your Izar and put it over your shoulders underneath the stones." So he took off his Izar and put it over his shoulders, but he fell unconscious and since then he had never been seen naked.

Narrated Jabir bin `Abdullah: When the Ka`ba was rebuilt, the Prophet and `Abbas went to carry stones. `Abbas said to the Prophet "(Take off and) put your waist sheet over your neck so that the stones may not hurt you." (But as soon as he took off his waist sheet) he fell unconscious on the ground with both his eyes towards the sky. When he came to his senses, he said, "My waist sheet! My waist sheet!" Then he tied his waist sheet (round his waist).

Narrated Aswad: Ibn Az-Zubair said to me, "Aisha used to tell you secretly a number of things. What did she tell you about the Ka`ba?" I replied, "She told me that once the Prophet said, 'O `Aisha! Had not your people been still close to the pre-Islamic period of ignorance (infidelity)! I would have dismantled the Ka`ba and would have made two doors in it; one for entrance and the other for exit." Later on Ibn Az-Zubair did the same.