If you really want to communicate something, even if it’s just an emotion or an attitude, let alone an idea, the least effective and least enjoyable way is directly. It only goes in about an inch. But if you can get people to the point where they have to think a moment what it is you’re getting at, and then discover it, the thrill of discovery goes right through the heart.
You sit at the board and suddenly your heart leaps. Your hand trembles to pick up the piece and move it. But what chess teaches you is that you must sit there calmly and think about whether it's really a good idea and whether there are other, better ideas.
I will say that the God concept is at the heart of 2001 but not any traditional, anthromorphic image of God. I don't believe in any of Earth's monotheistic religions, but I do believe that one can construct an intriguing scientific definition of God, once you accept the fact that there are approximately 100 billion stars in our galaxy alone, that each star is a life-giving sun and that there are approximately 100 billion galaxies in just the visible universe.