Why would your saying something like "I know God" suggest you know better than God?
That's not quite what I said. What I said was, "To ask for something more is to suggest that I know better than God what I need." God knows me. He knows what I really need. Trying to establish a relationship with Him beyond what I have is kinda like trying to take a short cut to the finish line, except that the only way to appreciate the artwork at the end of the journey is to have seen the flowers and the graffiti along the way.
Let me give you an example from way out in left field. There is a movie called Switch (Blake Edwards). This movie was out a long time, I could have seen it many times, I had opportunities. I did not, however, actually see that movie until after I had a child. Prior to that experience -- being a father -- I could not possibly have appreciated what Blake Edwards was trying to tell me. It would have just been a bit of amusement, but not the amazing, life-altering message.
When I really need to know God, as much as I can at that particular moment, I do. Usually, this occurs in a flash of insight which is something like "dying and being born again", because there's that whole "life flashing before my eyes" thing going on, and then whatever bit of clarity I need is blatantly obvious (and usually I can hear something like "God laughing with me"... yeah, "with" me... heh...).
Most of the time, however, I'm taking in the flowers and the graffiti, so that I'll have some scenes to flash before my eyes that I can be clear about.