Original sentence: Calvin's magnum opus, penned early in his life, "came like Minerva in full panoply out of the head of Jupiter," and even through its enlargements and revisions, it remained basically the same in its content
Edited sentence: Calvin's magnum opus, penned so early in his life, "came like Minerva in full panoply out of the head of Jupiter," and even through its enlargements and revisions, it remained basically the same in its content