Hadith 179
أَخْبَرَنَا أَخْبَرَنَا جَعْفَرُ بْنُ عَوْنٍ، عَنْ الْأَعْمَشِ، عَنْ مُسْلِمٍ، عَنْ مَسْرُوقٍ، عَنْ عَبْدِ اللَّهِ، قَالَ: "مَنْ عَلِمَ مِنْكُمْ عِلْمًا، فَلْيَقُلْ بِهِ، وَمَنْ لَمْ يَعْلَمْ، فَلْيَقُلْ لِمَا لَا يَعْلَمُ: اللَّهُ أَعْلَمُ، فَإِنَّ: الْعَالِمَ إِذَا سُئِلَ عَمَّا لَا يَعْلَمُ، قَالَ: اللَّهُ عَزَّ وَجَلَّ أَعْلَمُ، وَقَدْ قَالَ اللَّهُ لِرَسُولِهِ: قُلْ مَا أَسْأَلُكُمْ عَلَيْهِ مِنْ أَجْرٍ وَمَا أَنَا مِنَ الْمُتَكَلِّفِينَ سورة ص آية 86".
Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) said: Whoever among you has knowledge should make it apparent, and whoever does not have knowledge should say about what he does not know: «لا أعلم» (that is, "I do not know"), because if a scholar is asked about something he does not know, he should say «الله أعلم», just as Allah Almighty said to His Messenger (peace and blessings be upon him): "Say: I do not ask you for any reward for it, nor am I one of those who pretend." [سورة ص: 86/38]
