Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
ahmad:17514ʿAbd al-Ṣamad > Hammām > Anas b. Sīrīn > ʿAbd al-Malik b. Qatādah b. Milḥān al-Qaysī from his father

[Machine] The Prophet ﷺ used to order fasting, so he ﷺ mentioned it.  

أحمد:١٧٥١٤حَدَّثَنَا عَبْدُ الصَّمَدِ حَدَّثَنَا هَمَّامٌ حَدَّثَنَا أَنَسُ بْنُ سِيرِينَ عَنْ عَبْدِ الْمَلِكِ بْنِ قَتَادَةَ بْنِ مِلْحَانَ الْقَيْسِيِّ عَنْ أَبِيهِ قَالَ

كَانَ النَّبِيُّ ﷺ يَأْمُرُ بِصِيَامٍ فَذَكَرَهُ