Narrated Ibn 'Abbas:
that the Messenger of Allah (ﷺ) said: "Whoever says (something) about the Qur'an without knowledge, then let him take his seat in the Fire." (DE)
English reference (DE): Vol. 5, Book 44, Hadith 2950 (DE)
Arabic reference (DE): Book 47, Hadith 3204 (DE)