2/337 – ʿAbd Allah ibn ʿAmr ibn al-ʿĀṣ (may Allah be pleased with both of them) reported that the Prophet ﷺ said, “The major sins are: associating partners with Allah, disobedience to parents, taking a life, and the yamin al-ghamūs (the false, plunging oath).” Recorded by al-Bukhari.

The yamin al-ghamūs is an oath a person swears while knowingly lying; it is called “plunging” because it plunges the perjurer into sin.

3/338 – He also related that the Messenger of Allah ﷺ said, “Reviling a man’s parents is among the major sins!” They asked, “Messenger of Allah, would a man actually revile his own parents?” He replied, “Yes: he insults another man’s father, so the other insults his father; he insults another man’s mother, so the other insults his mother.” Agreed upon.

In another wording: “One of the gravest major sins is for a man to curse his parents!” They said, “Messenger of Allah, how could a man curse his parents?” He answered, “He abuses another man’s father, so that man abuses his father; and he abuses another man’s mother, so that man abuses his mother.”

4/339 – Abū Muḥammad Jubayr ibn Muṭʿim (may Allah be pleased with him) reported that the Messenger of Allah ﷺ said, “A severer of kinship will not enter Paradise.” Sufyān, in his version, clarified: “a severer of family ties.” Agreed upon.

5/340 – Abū ʿĪsā al-Mughīrah ibn Shuʿbah (may Allah be pleased with him) reported that the Prophet ﷺ said, “Allah has forbidden you to be undutiful to mothers, to withhold what you owe while demanding what is not yours, and to bury infant girls alive; and He dislikes for you…"