6 – “When any one of you extends a loan … he must not accept any extra benefit from the borrower unless such exchanges had already been customary between them beforehand.”
Reported by the Six Compilers (Bukhari, Muslim, Abu Dawud, al-Tirmidhi, al-Nasa’i, and Ibn Majah) on the authority of Ibn ‘Abbas.
Chain graded sound: Mishkāt (2831).
Later ruled weak: al-Silsilah al-Ḍaʿīfah (1162).

7 – “When one of you rises at night to pray, let him open his prayer with two light rakʿahs.”
Reported by al-Hakim, Muslim, and Abu Dawud on the authority of Abu Hurayrah, traced back to the Prophet.
Authentic: al-Irwāʾ (453).
Later ruled weak: Ḍaʿīf al-Jāmiʿ (619).

8 – “When a man enters his house, let him say … and then offer greetings of peace to his family.”
Reported by Abu Dawud and al-Tabarānī on the authority of Abu Mālik.
Authentic: al-Silsilah al-Ṣaḥīḥah (225, first verification).
Later ruled weak: al-Silsilah al-Ḍaʿīfah (5832).