Sayyiduna Ibn Abbas (may Allah be pleased with them both) reports that the Messenger of Allah (peace and blessings be upon him) said: "The virtue of knowledge is greater than worship."
Hadith Referenceمسند الشهاب / 1292
Hadith Gradingمحدثین:إسناده ضعيف جدا
Hadith Takhrijإسناده ضعيف جدا ، دیکھئے حدیث نمبر 40 ۔