5203 - Kathir ibn Shihab al-Madhhiji al-Qazwini narrated to us, Muhammad ibn Sa'id narrated to us, 'Amr narrated to us, from Mutarrif, from Abu Ishaq, from 'Ubayd Allah ibn 'Umayr, who said: The major sins are seven, and he followed each one with an ayah: "Whoever associates partners with Allah..." (the ayah); "And whoever kills a believer..." (the ayah); "Indeed, those who consume the wealth of orphans..." (the ayah); "Indeed, those who slander chaste women..." (the ayah); "O you who have believed, when you meet those who disbelieve advancing [in battle]..." (the entire ayah).

5204 - My father narrated to us, 'Ubayd Allah ibn Musa narrated to us, Israel reported to us, from Abu Ishaq, from 'Ubayd ibn 'Umayr, who said: There are seven, then he mentioned similar to it and added: Reverting to bedouin life after the migration, then he recited: "Indeed, those who reverted upon their backs..." (1)

The report that contains [the sin of] insulting a Muslim:

5205 - My father narrated to us, 'Abd al-Rahman ibn Ibrahim Duhaym narrated to us, 'Amr ibn Abi Salamah narrated to us, Zuhayr ibn Muhammad narrated to us, from al-'Ala' ibn 'Abd al-Rahman, from his father, from Abu Hurayrah, that the Messenger of Allah (peace and blessings of Allah be upon him) said: "Among the greatest of the major sins is a person's overstepping bounds regarding the honor of a Muslim man, and the two swearings, and the abuse." (2)

5206 - Abu Zur'ah narrated to us, 'Uthman ibn Abi Shaybah narrated to us, Jarir narrated to us, from Mughirah, who said: It used to be said that abusing Abu Bakr and 'Umar is among the major sins. (3)

The report that mentions combining two prayers without an excuse:

5207 - My father narrated to us, Nu'aym ibn Hammad narrated to us, Mu'tamir ibn Sulayman narrated to us, from his father, from Hanash, from 'Ikrimah, from Ibn 'Abbas, from the Prophet (peace and blessings of Allah be upon him), who said: "Whoever combines two prayers without an excuse has entered a gate among the gates of the major sins." (4)

5208 - Al-Hasan ibn Muhammad al-Sabbah narrated to us, Isma'il ibn 'Ulayyah narrated to us, from Khalid al-Hadhdha', from Humayd ibn Hilal, from Abu Qatadah—meaning: al-'Adawi—who said: The letter of Ma'mar was read to us: Among the major sins is combining two prayers, meaning: without an excuse. (5)