مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3343
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn ‘Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) was asked about the children of the mushrikeen. He said: "Allah created them when He created them and He knows hest what they would have done.”
Musnad Ahmad 3367Its isnad is saheeh]