The Messenger of Allah ﷺ said, "Whoever speaks about the Book of Allah based on his own opinion and gets it right has still erred."
حدثنا عبد الله بن محمد بن يحيى حدثنا يعقوب بن إسحاق المقرئ الحضرمي حدثنا سهيل بن مهران أخي حزم القطعي حدثنا أبو عمران
قال رسول الله ﷺ من قال في كتاب الله عز وجل برأيه فأصاب فقد أخطأ
[Its chain of transmission is daif] Tirmidhi transmitted it in tafsir of the Quran, chapter on what has been said about one who interprets the Quran, hadith 2952, from the hadith of Suhayl bin Mihran, and he said, "Gharib." Suhayl bin Mihran is daif (Taqrib).