Sayyiduna Abu Hurairah (may Allah be pleased with him) reports that the Messenger of Allah (peace and blessings be upon him) said: “Indeed, on the Day of Resurrection, the severest punishment among the people will be for that scholar whose knowledge did not benefit him from what Allah had given him.”
Hadith Referenceمسند الشهاب / 1122
Hadith Gradingمحدثین:إسناده ضعيف
Hadith Takhrij«إسناده ضعيف ، وأخرجه المعجم الصغير : 507 ، الكامل لابن عدى : 474/3 ، شعب الايمان : 1642» عثمان بن مقسم ضعیف ہے ۔