The second generation of Mu`tazilites, of those who begin to show direct acquaintance with Greek philosophy, begins with _Abu l-Hudayl al-Allaf_ of Basra (d. 226 A.H.), who lived at the time when Greek philosophy was beginning to be studied with great ardour and was received without question. He admits the attributes of God and regards them as eternal, but treats them on lines very similar to those employed by the Christians in dealing with the divine hypostases, that is to say, they are not external things possessed by God but modes or phases of the divine essence. The will of God for example, he treats as a mode of knowledge, that is to say that God wills what is good is equivalent to saying that God knows it to be good. But in dealing with the will we must distinguish between (a) that which exists in place, as the moral rules in God’s commandments to men, for there could be no will against theft until the creation of things which could be stolen; in such case the will exists in time and is created, for it depends upon a created thing: and (b) that which exists not in place and without an object to which the will refers, as when God willed to create before the thing to be created existed. In man the inner volition is free, but the outer acts are not free; sometimes they are controlled by external forces in the body, or even outside the body, and sometimes they are controlled by the inner volition. Aristotle speaks of the universe as existing from eternity, but the Qur´an refers to its creation, yet these are not inconsistent: we must suppose that it existed eternally, but in perfect quiescence and stillness, as it were latent and potential rather than actual, and without those qualities which appear in the categories of logic and are to us the only known terms of existence. Creation meant that God brought in movement so that things began to exist in time and space, and the universe comes to an end when it returns again to the state of absolute rest in which it was at the beginning. Men can distinguish between good and evil by the light of reason, for good and evil have objective characters which can be recognised so that our knowledge of this difference does not depend only on God’s revelation: but no man can know anything about God but by the medium of revelation which is given principally for this purpose.