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:14508Zayd b. al-Ḥubāb > Ḥusayn b. Wāqid > Abū al-Zubayr Qālasamiʿt Jābir

[Machine] I heard Jabir say that the Prophet ﷺ passed by a man who was lying on his back and turning over his stomach. The Prophet asked about him and they said, "O Messenger of Allah, he is fasting." So the Prophet called him and ordered him to break his fast. The man said, "Wouldn't it be sufficient for you that I am in the way of Allah and with the Messenger of Allah ﷺ until I fast?"  

أحمد:١٤٥٠٨حَدَّثَنَا زَيْدُ بْنُ الْحُبَابِ حَدَّثَنِي حُسَيْنُ بْنُ وَاقِدٍ عَنْ أَبِي الزُّبَيْرِ

قَالَسَمِعْتُ جَابِرًا يَقُولُ مَرَّ النَّبِيُّ ﷺ بِرَجُلٍ يُقَلِّبُ ظَهْرَهُ لِبَطْنٍ فَسَأَلَ عَنْهُ فَقَالَوا صَائِمٌ يَا نَبِيَّ اللهِ فَدَعَاهُ فَأَمَرَهُ أَنْ يُفْطِرَ فَقَالَ أَمَا يَكْفِيكَ فِي سَبِيلِ اللهِ وَمَعَ رَسُولِ اللهِ ﷺ حَتَّى تَصُومَ