Sayyiduna Aidh bin Qurt (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: "Whoever performs (obligatory) prayer and does not complete it, then it will be completed through his voluntary prayers."

It is narrated from Sayyiduna Abdullah bin Amr bin al-As (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said:“Whoever stands (in prayer at night) with ten verses will not be written among the heedless; whoever stands with a hundred verses will be written among the devout; and whoever stands with a thousand verses will be written among those who receive heaps of reward.”

Abu Huraira (may Allah be pleased with him) reports that the Messenger of Allah (peace and blessings be upon him) said: "Whoever recites one hundred verses in a single night (during standing in prayer), he will not be recorded among the heedless, or he will be recorded among those who stand (in prayer)."

It is narrated from Sayyiduna Tamim Dari (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) said: "Whoever recites one hundred verses in (the standing of) a night, the reward of standing in prayer for the entire night will be written for him."

Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: "Whoever guards these obligatory prayers will not be written among the heedless, and whoever recites one hundred verses during the night (in prayer), he will be written among the obedient."

Mukhawwil says: I heard Abu Sa‘d, a resident of Madinah, say: I saw Hasan performing prayer, and he had gathered and tied his hair on his head. The servant of the Messenger of Allah (peace and blessings be upon him), Abu Rafi‘, untied his hair or forbade him from doing so and said: The Messenger of Allah (peace and blessings be upon him) forbade that a man should perform prayer while his hair is gathered and tied at the back of his head.

Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) says: The Prophet Muhammad (peace and blessings be upon him) was delivering the Friday sermon when a (trading) caravan arrived in Madinah. The Companions of the Messenger rushed towards it, and only twelve men remained (in the mosque). The Messenger of Allah (peace and blessings be upon him), seeing this situation, said: "By the One in Whose hand is my soul! If all of you had gone and no one had remained, a fire would have flowed through this valley that would have swept you away." Then these verses were revealed: "When they see some merchandise or amusement, they rush towards it and leave you standing." (Surah Al-Jumu'ah: 11) The narrator says: Among the twelve men who remained seated with the Messenger of Allah (peace and blessings be upon him) were Sayyiduna Abu Bakr and Sayyiduna Umar (may Allah be pleased with them both).

Abu Wa'il says: Sayyiduna Hudhayfah (may Allah be pleased with him) said to Sayyiduna Abdullah ibn Mas'ud (may Allah be pleased with him): Some people are sitting with the intention of i'tikaf between your house and Abu Musa's house, and you do not forbid them? Even though you know that the Messenger of Allah (peace and blessings be upon him) said: "There is no i'tikaf except in three mosques." Sayyiduna Abdullah ibn Mas'ud (may Allah be pleased with him) said: Perhaps you have forgotten and they remember, or perhaps you are mistaken and they are correct.

It is narrated from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "Do not pray facing towards a grave, nor on top of a grave."

It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him), the Noble Prophet (peace and blessings be upon him) said: "It is not permissible to cause deficiency in the (acts of) prayer, nor to give salam (greeting of peace) during the prayer."