The Excellence of Knowledge – Virtues of Beneficial Knowledge in Islam | Ibn Rajab Al-Hanbali | Islamic Ilm & Aqeedah BookThe Excellence of Knowledge by Ibn Rajab Al Hanbali is a concise yet powerful Islamic book that explains the true meaning and virtue of knowledge in Islam. It highlights the difference between beneficial and non beneficial knowledge and guides readers toward seeking knowledge that strengthens faith and brings them closer to Allah. From Author: This book teaches that knowledge is not measured by how much one knows, but by how much one benefits from it.