al-Hasan al-Basri الحسن البصري · The Book on Salat (Prayer)

the Prophet said: "Salatul-wusta is the Asr prayer."

"Allah's Messenger said to Bilal: "O Bilal! When you call the Adhan then do so deliberately and slowly, and when you call the Iqamah then be quick. Allow enough time between your Adhan and Iqamah for the person eating to finish what he is eating, the person drinking to finish what he is drinking, and the one who needs time to relive himself, and do not stand until you see me."

"Indeed, amount the last (of orders) Allah's Messenger ordered me with was to employ a Mu'adh-dhin who would not take a wage for his Adhan."

the Prophet said: "Whoever prays the Subh then he is under the protection of Allah's covenant, so do not be treacherous with Allah in his covenant."

"Allah's Messenger ordered us that when we were three, then one of us should stand forward."

Samurah said: "there are two pauses that I preserved from Allah's Messenger." But Imran bin Husain rejected that and said: "We preserved one pause." "So we wrote to Ubayy bin Ka'b in Al-Madinah. Ubayy wrote that Samurah was correct." Sa'eed said: "We said to Qatadah: 'What are those two pauses?' He said: 'When he entered into his Salat, and when he finished his recitation.' Then he (Qatadah) said after that: 'And when he recited (Nor those who went astray.)' And…

"Allah's Messenger cursed three people: A man who leads people (in Salat) while they dislike him, a woman who spends a night while her husband is angry with her, and a man who hears: 'Hayya Alal Falah (come to success)' then does not respond."

"Allah's Messenger (S) performed Salat until his feet were swollen, so it was said to him: 'You burden yourself like this, while your past and future sins have been forgiven?' He said: 'Shouldn't I be a grateful worshipper?'"