مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2571
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas (رضي الله عنه) that the Prophet (ﷺ) said: "Do not take any animate being as a target.”
Musnad Ahmad 2586Its isnad is saheeh, Muslim (1957)]