Hazrat Anas (may Allah be pleased with him) narrated that the Prophet (peace and blessings of Allah be upon him) had two straps attached to his sandals. (Abu Dawud Sharif - Translated)
A question arises in the mind: What is the sign of beneficial knowledge? Yes, there is indeed knowledge that brings benefit. The Prophet (peace be upon him) taught us a supplication: "O Allah, I seek refuge in You from knowledge that does not benefit." Accordingly, there are two signs of beneficial...