19 – “When ʿAlī set out on a journey, he would keep moving after the sun had gone down … that was exactly how the Messenger of Allah used to do.”
Reported by Abū Dāwūd on the authority of ʿUmar ibn ʿAlī.
Authentic: Ṣaḥīḥ Abī Dāwūd (1234), Maʿārif edition.
Later ruled weak: Ḍaʿīf Abī Dāwūd, “al-Kitāb al-Kabīr” (227/m), Gharas edition.

20 – “Among the worst of people in rank with Allah on the Day of Resurrection … is the one who then divulges his wife’s secret.”
Reported by Muslim and Abū Dāwūd on the authority of Abū Saʿīd al-Khudrī.
Authentic: Ādāb al-Zifāf, p. 70.
Later ruled weak: Ḍaʿīf al-Jāmiʿ (2007).