Abu Ishaq al-Sabay'ai' أبو إسحاق السبيعي عمرو بن عبد الله · The Book on Al-Witr

"Allah's Messenger came out to us and he said: 'Indeed Allah has assisted you with a Salat that is better for you than red camels: Al-Witr which Allah made for you between the Isha prayer till Al-Fajr has begun."

"Al-Witr is not incumbent like your obligatory prayers, but it is a Sunnah of Allah's Messenger who said: "Indeed Allah is Witr (One), and He loves Al-Witr, so perform Al-Witr O people of the Qur'an."

"Allah's Messenger would perform Al-Witr with three, reciting nine Surah from the Mufassal in them, reciting three Surah in each Rak'ah with Say: "Allah is One." At the end of them."Muhammad bin Sirin said: "They would perform Al-Witr with five, with three, and with one Rak'ah, and they considered all of that to be good."

"Allah's Messenger would recite during Al-Witr: "Glorify the Name of your Lord the Most High' and, 'Say: O you disbelievers!' and, 'Say: Allah is One,' in each Rak'ah."

"Allah's Messenger taught me some phrases to say during Al-Witr (Allahummahdini fiman hadait, wa a'fini fiman afait, wa tawallani fiman tawallait, wa barik Li fima atait, wa qini sharra ma qadait, fa Innaka taqdi wa la yuqda Alaik, wa innahu la yadhillu man walait, tabarakta Rabbana wa ta'alait.) 'O Allah guide me among those You have guided, pardon me among those You have pardoned, befriend me among those You have befriended, bless me in what You have granted, and save…