مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2417
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) said: "Whoever speaks about the Qur'an without knowledge, let him take his place in Hell."
Musnad Ahmad 2429Its isnad is da'eef]