Let's nuance that statement a bit

There is a limit to human knowledge. A finite created being never can fully apprehend the infinite reality of God, and therefore theological language ought to be careful and reserved. However, what can be comprehended...is a knowledgeable aspect of Christian faith and worship.— Theosis, Volume 2, page 129

<idle musing>
I like that, "careful and reserved." Too bad most of what passes for theology these days isn't...
</idle musing>