““Their concept of knowledge was eloquently expressed, for instance, by Muâdh b. Jabal (d. 18/639, one of the trusted lieutenants of the Prophet, and certainly no forerunner of Sufism): “Study knowledge, for studying knowledge is the fear of God. Searching for knowledge is the worship of Him. Learning knowledge is the glorification of Him. Doing research in knowledge is a holy war in His behalf. Teaching knowledge to those who do not know is charity. And lavishing knowledge upon those who deserve it is nearness to God. Knowledge is a friend in loneliness. It is company for him who is all by himself. It is a guide under any circumstances whatever, an ornament among friends, a relative among strangers, and a lighthouse on the road to Paradise. Through knowledge, God lifts up people and makes them guides toward the good (life) who serve as examples to be followed and whose actions are studied and imitated and whose opinions are accepted. Their friendship is desired by the angels who touch them with their wings. In consequence, everything wet or dry asks for forgiveness for them, down to the fish and the reptiles of the sea and the wild beasts and the domestic animals of the land, as well as heaven and its stars. Knowledge is the life of the heart after blindness (?), the light of the eyes after darkness, and the strength of the body after weakness. Through knowledge, man reaches the stations of the pious and the highest ranks. Reflecting upon knowledge and learning it are considered equivalent to the performance of fasting. It is an act of obedience to God, of worship of Him, and of declaring His oneness. It constitutes ascetic behavior. It accomplishes the strengthening of family ties. Knowledge is the leader, and action is its follower. It is an inspiration given to the blessed. It is something that is denied to the unfortunate.” Such general praise of knowledge is heard constantly throughout Muslim history, in almost the same words and phrases. Here, however, it is used as an argument, obviously fictious and unhistorical, to prove the exclusive concern of the ancient Muslims with knowledge, in the Sufî sense.””