حَدَّثَنَا مُسَدَّدٌ، قَالَ: حَدَّثَنَا إِسْمَاعِيلُ بْنُ إِبْرَاهِيمَ، قَالَ: حَدَّثَنَا زِيَادُ بْنُ مِخْرَاقٍ، عَنْ مُعَاوِيَةَ بْنِ قُرَّةَ، عَنْ أَبِيهِ
قَالَ: قَالَ رَجُلٌ: يَا رَسُولَ اللهِ، إِنِّي لَأَذْبَحُ الشَّاةَ فَأَرْحَمُهَا، أَوْ قَالَ: إِنِّي لَأَرْحَمُ الشَّاةَ أَنْ أَذْبَحَهَا، قَالَ: وَالشَّاةُ إِنْ رَحِمْتَهَا، رَحِمَكَ اللَّهُ مَرَّتَيْنِ
His father said, “A man said, ‘Messenger of Allah, I was going to slaughter a sheep and then I felt sorry for it (or ‘sorry for the sheep I was going to slaughter’).’ He said twice, ‘Since you showed mercy to the sheep, Allah will show mercy to you.’”
Al-Adab Al-Mufrad 375, Book 20, Mercy, Hadith 2. 1 min read