Man’s Highest Happiness (1921) by Abu Hamid al-Ghazālī. Translated in 1921 as part of Some Religious and Moral Teachings. The constitution of man possesses a number of powers and propensities, each of which has its own distinctive kind of enjoyment suited to it by nature. The appetite of hunger seeks food which preserves our body and the attainment of which is the delight of it, and so with every passion and propensity when their particular objects are attained. Similarly the moral faculty-call it inward sight, light of faith or reason-any name will do provided the object signified by it is rightly understood-delights in the attainment of its desideratum. I shall call it here the faculty of reason (not that wrangling reason of the Scholastics and the dialecticians)—that distinctive quality