The Prophet (saws) said: The best number of companions is four, the best number in expeditions four hundred, and the best number in armies four thousand; and twelve thousand will not be overcome through smallness of numbers.

Abu Dawud said: What is correct is that this tradition is mursal (i.e. the link of the Companion is missing).

The Prophet drew a square and then drew a line in the middle of it and let it extend outside the square and then drew several small lines attached to that central line, and said, "This is the human being, and this, (the square) in his lease of life, encircles him from all sides (or has encircled him), and this (line), which is outside (the square), is his hope, and these small lines are the calamities and troubles (which may befall him), and if one misses him, an-other will snap (i.e. overtake) him, and if the other misses him, a third will snap (i.e. overtake) him."

A hadith like this has been narrated on the authority of Humaid with the same chain of transmitters.

Allah's Apostle used to keep silent between the Takbir and the recitation of Qur'an and that interval of silence used to be a short one. I said to the Prophet "May my parents be sacrificed for you! What do you say in the pause between Takbir and recitation?" The Prophet said, "I say, 'Allahumma, baa`id baini wa baina khatayaya kama baa`adta baina l-mashriqi wa l-maghrib. Allahumma, naqqini min khatayaya kama yunaqqa th-thawbu l-abyadu mina d-danas. Allahumma, ighsil khatayaya bi l-maa'i wa th-thalji wa l-barad (O Allah! Set me apart from my sins (faults) as the East and West are set apart from each other and clean me from sins as a white garment is cleaned of dirt (after thorough washing). O Allah! Wash off my sins with water, snow and hail.)"

(the wife of the Prophet) When Allah's Apostle died, he was covered with a Hibra Burd (green square decorated garment).

Aisha brought out to us a Kisa and an Izar and said, "The Prophet died while wearing these two." (Kisa, a square black piece of woolen cloth. Izar, a sheet cloth garment covering the lower half of the body).

'A'isha, the wife of the Apostle (may peace be upon him), said that the Messenger of Allah (may peace be upon him) said the afternoon prayer (at the time) when the sun shone in her apartment and its shadow did not extend beyond her apartment.

the Prophet prayed in a Khamisa (a square garment) having marks. During the prayer, he looked at its marks. So when he finished the prayer he said, "Take this Khamisa of mine to Abu Jahm and get me his Inbijaniya (a woolen garment without marks) as it (the Khamisa) has diverted my attention from the prayer."

Narrated `Aisha:

The Prophet said, 'I was looking at its (Khamisa's) marks during the prayers and I was afraid that it may put me in trial (by taking away my attention).

Once the meal of `Abdur-Rahman bin `Auf was brought in front of him, and he said, "Mus`ab bin `Umair was martyred and he was better than I, and he had nothing except his Burd (a black square narrow dress) to be shrouded in. Hamza or another person was martyred and he was also better than I and he had nothing to be shrouded in except his Burd. No doubt, I fear that the rewards of my deeds might have been given early in this world." Then he started weeping.

When the Messenger of Allah (saws) came to some people's door, he did not face it squarely, but faced the right or left corner, and said: Peace be upon you! peace be upon you! That was because there were no curtains on the doors of the house at that time.

The Prophet used to invoke Allah with the following invocation: 'Rabbi-ghfir-li Khati 'ati wa jahli wa israfi fi `Amri kullihi, wa ma anta a'lamu bihi minni. Allahumma ighfirli khatayaya wa 'amdi, wa jahli wa jiddi, wa kullu dhalika'indi. Allahumma ighrifli ma qaddamtu wa ma akhartu wa ma asrartu wa ma a'lantu. Anta-l-muqaddimu wa anta-l-mu'akh-khiru, wa anta 'ala kulli shai'in qadir.'