The Statement of Allah the Exalted: "...Nor am I one of the Mutakallifūn (those who pretend and fabricate things which do not exist) ." (V.38:86)

Sahih al-Bukhari · Book 65 · Hadith 4809

حَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا جَرِيرٌ، عَنِ الأَعْمَشِ، عَنْ أَبِي الضُّحَى، عَنْ مَسْرُوقٍ، قَالَ دَخَلْنَا عَلَى عَبْدِ اللَّهِ بْنِ مَسْعُودٍ، قَالَ يَا أَيُّهَا النَّاسُ مَنْ عَلِمَ شَيْئًا فَلْيَقُلْ بِهِ، وَمَنْ لَمْ يَعْلَمْ فَلْيَقُلِ اللَّهُ أَعْلَمُ، فَإِنَّ مِنَ الْعِلْمِ أَنْ يَقُولَ لِمَا لاَ يَعْلَمُ اللَّهُ أَعْلَمُ، قَالَ اللَّهُ عَزَّ وَ…

Narrated Masruq: We came upon `Abdullah bin Mas`ud and he said "O people! If somebody knows something, he can say it, but if he does not know it, he should say, "Allah knows better,' for it is a sign of having knowledge…