From the sound of your original post, I'd wager you're more intelligent than average. But... you don't need to be intelligent to be smart and you don't need to be knowledgeable to be wise.
"I know that I know nothing." -Socrates
When I started studying astronomy, I noticed a similar paradox. I'd describe it like this: The more you learn about the universe... the more you realize you don't really know shit about the universe.
I'm sure most can relate to this one way or another. In short - this type of humility (that you seem to have) is far more valuable than raw intelligence.