وَعَنْ مُعَاوِيَةَ
قَالَ: إِنَّ النَّبِيَ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ نَهَى عَنِ الْأُغْلُوطَاتِ
The Prophet (sallallahu alayhi wa sallam) forbade the discussion of thorny questions.
Mishkat al-Masabih 228, Book 3, Knowledge, Hadith 39. 1 min read