The altar fire by A.C. Benson

I wonder aimlessly what it is that makes a book, a picture, a piece of music, a poem, great. When any of these things has become a part of one's mind and soul, utterly and entirely familiar, one is tempted to think that the precise form of them is inevitable. That is a great mistake.

Here is a tiny instance. I see that in the "Lycidas" Milton wrote: