6o The peculiar cast of his mind explains his isolation to which I have referred. Take his own words : " The real work of the soul in this life is to cut itself oif from false appearances so that it may realise its existence in the eternal. The effort to achieve this is usually accompanied by gradually increasing asceticism, which may carry renunciation to the length of abandonment of the world; but this is an extreme to be avoided by a Muslim. Some religions favour it, but Islam forbids it." In justification of his attitude of aloofness a plea may also be advanced in the words of Rudolf Eucken's Philosophy of Life (translated by W. R. Boyce Gibson, pp. 18, 108 and 109) : " The negative movement, as Eucken under- stands it, implies no distrust of the good that is in the world, no ascetic aloofness from the world's progress. It implies rather a renunciation of any and every mode of social and personal life that hinders us from assisting in the betterment of what is spiritually genuine in the construction of society. It implies that we have given up the idea of abetting, by our passive acquiescence, a form of life which we inwardly feel to be vain and hollow. It implies the simple truth that if we wish to regenerate the world and the flesh, we must first renounce the devil." And Eucken adds, "And what is needed above all is a cour- ageous spiritual fellowship in the great task of shaping a true social culture, of creating a realm in which spiritual ideals are powers that