Sayyiduna Ibn Umar (may Allah be pleased with them both) and Sayyiduna Ibn Abbas (may Allah be pleased with them both) report that the Messenger of Allah (peace and blessings be upon him) said: "The best act of worship is understanding of the religion, and the virtue over religion is modesty."
Hadith Referenceمسند الشهاب / 1290
Hadith Gradingمحدثین:إسناده ضعیف
Hadith Takhrijإسناده ضعیف ، لیث بن ابی سلیم ضعیف و مدلس جبکہ معلی ٰبن مہدی ضعیف ہے ۔