Introduction
By Dr. J. Rendel Harris
AL-GHAZALI was a rare combination of scholar and saint, of the orthodox Moslem and the aberrant Sufi. This work is a real contribution to the history of religion, and will have a peculiar value which attaches to Sufism at the present time. On the one hand we have the anthropologists engaged in the task (and for the most part successfully engaged) of tracing all religions to a common root, or roots, in the constitution and the fears of primitive man; on the other hand we have the mystics, of whom the Sufi is a leading representative, who are occupied in demonstrating experimentally that all religions which start at the bottom find their way to the top.
William Penn said something in the same direction when he affirmed that all good men were of the same religion, and that they would know one another when the livery was off. But what did he mean by taking the livery off? The abstinence from rites, ceremonies and the like is a negative process which certainly would not satisfy
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