And, the answer is, after ALL of this thinking and contemplation???
http://www.newadvent.org/cathen/07706b.htm
Here is a start. It is at the very least evidence of an attempt to understand the mystery. To battle heresy.
A pastor once told me that whatever we say about God, He is more unlike that than He is like it. Our very best imaginable is infintesimal compared to God.
But we should try. And we can point towards the truth with our words, or we can point in the wrong direction.
I may not be able to explain the moon, but if I point to a streetlight instead of the moon, I am in error.