"The Messenger of Allah said: 'Allah has decreed proficiency in all things, so when you kill, kill well, and when you slaughter, slaughter well. Let one of you sharpen his blade and spare suffering to the animal he slaughters.'"
Reported by An-Nasa’i (No. 4412, 4405, 4411, 4413, 4414), Muslim (No. 1955a, 1955b), Abu Dawud (No. 2815), At-Tirmidhi (No. 1409), Ibn Majah (No. 3170), Ahmad (No. 16490, 16494, 16506, 16516) and Ad-Darimi (No. 1888).
"Verily, Allah has enjoined kindness in all things. So, when you kill, kill with kindness; and when you slaughter, slaughter with kindness. Let one of you sharpen his blade and spare the animal he slaughters from suffering."
وعن أبى يعلى شداد بن أوس رضي الله عنه، عن رسول الله صلى الله عليه وسلم قال: “إن الله كتب الإحسان على كل شئ، فإذا قتلتم فأحسنوا القتلة وإذا ذبحتم فأحسنوا الذبحة، وليحد أحدكم شفرته وليرح ذبيحته” ((رواه مسلم)).
Shaddād ibn Aws (may Allah be pleased with him) reported: There are two things which I learned by heart from the Messenger of Allah (may Allah’s peace and blessings be upon him): "Indeed, Allah is benevolent and He loves benevolence to everything. So, if you kill, kill benevolently, and if you…
عن شداد بن أوس رضي الله عنه قال: حفِظتُ من رسول الله صلى الله عليه وسلم اثنتين قال: «إن الله مُحسنٌ يحبُّ الإحسانَ إلى كلِّ شيء، فإذا قتلتم فأحسِنوا القِتْلة، وإذا ذبحتم فأحسنوا الذَّبحَ، وليُحِدَّ أحدُكم شَفْرَتَه…
"Indeed, Allah has enjoined Ihsān (kindness/excellence) in all things. So, when you kill, kill with kindness; and when you slaughter, slaughter with kindness. Let one of you sharpen his blade and spare the animal he slaughters suffering."