BUT I have first to finish, as was propounded, what is to be thought in general of reading books, whatever sort they be, and whether be more the benefit or the harm that thence proceeds? ... in Paul especially, Who thought it no defilement to insert into Holy Scripture the sentences of three Greek poets, and one of them a tragedian; the question was notwithstanding sometimes controverted among the primitive doctors, but with great odds on that side which affirmed it both lawful and profitable; as was then evidently perceived, when Julian the Apostate and subtlest enemy to our faith made a decree forbidding Christians the study of heathen learning: for, said he, they wound us with our own weapons, and with our own arts and sciences they overcome us. And indeed the Christians were put so to their shifts by this crafty means, and so much in danger to decline into all ignorance, that the two Apollinarii were fain, as a man may to coin all the seven liberal sciences out of the Bible, reducing it into divers forms of orations, poems, dialogues, even to the calculating of a new Christian grammar. But, saith the historian Socrates, the providence of God provided better than the industry of Apollinarius and his son, by taking away that illiterate law with the life of him who devised it. So great an injury they then held it to be deprived of Hellenic learning; and thought it a persecution more undermining, and secretly decaying the Church, than the open cruelty of Decius or Diocletian.
Cf. Basil the Great, Education is necessary, Gregory Theologian, Education is the highest good & Papatsonis, In Rising Sound Papacy A History of Byzantium
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Reference address : https://www.ellopos.net/elpenor/greeks-us/milton-learning.asp