Narrated Ali ibn Abu Talib: The Messenger of Allah ﷺ and Abu Bakr gave forty lashes for drinking wine and Umar made it eighty. And all this is sunnah, the model and standard practice. Abu Dawud said: Al-Asmai explaning the maxim, "He who enjoys its cold should bear its heat, " said: He who enjoys the easy if it should also take the responsibility of the hard of it. Abu Dawud said: Hudain bin al-Mundhir Abu Sasan was the leader of his tribe.
Hadith Referenceسنن ابي داود / كتاب الحدود / 4481
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم (1707)
Hadith Takhrij« انظر ما قبلہ، (تحفة الأشراف: 10080) (صحیح) »
Alqama bin Waqqas reported: I asked 'A'isha how the Messenger of Allah (ﷺ) did in the two rak'ahs as he (observed them) sitting. She said: He would recite (the Qur'an) in them, and when he intended to bow, he would stand up and then bowed.
Shaykh Maulana Abdul Aziz Alvi
Hadith Commentary: Benefits and Issues: The manner of performing bowing (ruku‘) after reciting (the Qur’an) while sitting, and then standing up, is the same as has been mentioned above.
Source: Tuhfat al-Muslim: Commentary on Sahih Muslim, Page: 1707
´Hudain bin Mundhir said:` “When Walid bin `Uqbah was brought to `Uthman, they had testified against him. He said to 'Ali: 'You are close to your uncle's son, so carry out the legal punishment on him.' So 'Ali whipped him. He said: 'The Messenger of Allah (ﷺ) gave forty lashes, and Abu Bakr gave forty lashes, and 'Umar gave eighty all are Sunnah.'”
Maulana Ataullah Sajid
Benefits and Issues: The practice of the Rightly Guided Caliphs (khulafa’ rashidun) is Sunnah and can be presented as evidence. The Prophet (sallallahu alayhi wa sallam) said: “Adopt my Sunnah and the Sunnah of my Rightly Guided Caliphs.” (Jami‘ al-Tirmidhi, al-‘Ilm, Chapter: What has been reported regarding adherence to the Sunnah and avoiding innovation, Hadith: 2672)
Source: Commentary on Sunan Ibn Mājah by Mawlānā ‘Atā’ullāh Sājid, Page: 2571