"I wonder if I've been changed in the night? Let me think. Was I the same when I got up this morning? I almost think I can remember feeling a little different. But if I'm not the same, the next question is 'Who in the world am I?' Ah, that's the great puzzle!" -Alice in Wonderland
What other great puzzles are there?
Other people are more of a puzzle for me than I am.
God is a puzzle, or even the question of God is a puzzle.
Hmm... I'm glad that I don't feel like I have to know everything.