The Church Fathers · c. 364
Against Eunomius
Basil the Great · c. 330–379
What it is
A reply to the claim that human beings can know the essence of God as God knows it, distinguishing what God is in himself from what can be known of him through his activities.
Why it lasted
The origin of the distinction between God's essence and energies that still divides Eastern and Western theology.
Where to read it
This work is in the public domain and can be read in full, free, at the archives below. The Library catalogues it; it does not host the text.
These open a search on each archive rather than a direct link, which is the honest way to point at an edition nobody here has checked line by line.
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