Sayyiduna Ali (may Allah be pleased with him) says that I heard the Messenger of Allah (peace and blessings be upon him) say: "There is no poverty greater than ignorance, no wealth that returns more than intellect, no piety like refraining from sin, and no worship like contemplation."
Hadith Referenceمسند الشهاب / 838
Hadith Gradingمحدثین:إسناده ضعيف جدا
Hadith Takhrijإسناده ضعيف جدا ، دیکھئے حدیث نمبر 836 ۔