38 – Whenever he broke his fast he would say, “O Allah, for You have I fasted …”

Reported by Abū Dāwūd on the authority of Muʿādh ibn Zuhrah.
Supported by corroborating reports that strengthen it: Takhrīj al-Mishkāt (1994).
Later ruled weak: Irwāʾ al-Ghalīl (under 919).

39 – The Prophet ﷺ liked to break his fast with three dates …

Reported by Ibn ʿAsākir on the authority of Anas.
Authentic chain: Ṣaḥīḥ al-Targhīb wa-l-Tarhīb (1070, 2nd ed.).
Later ruled weak: al-Silsilah al-Ḍaʿīfah (996).

40 – The Messenger of Allah ﷺ used to fast more often on Saturday and Sunday than on other days, saying, “They are the festival days of the idolaters, and I like to differ from them.”

Reported by Aḥmad, Ibn Khuzaymah, Ibn Ḥibbān, al-Ḥākim, and al-Bayhaqī on the authority of Umm Salamah.
Authentic chain: Ṣaḥīḥ al-Jāmiʿ (4803).
Later ruled weak: al-Silsilah al-Ḍaʿīfah (1099).