A friend of mine is a professor at an Ivy League school. He told me about a conversation he overheard: ... The head of the astronomy department was speaking to the dean of the divinity school. The astronomy professor said, "Now, let's face it. In religion, what it all boils down to very simply is that you should love your neighbor as you love yourself. It's the Golden Rule, right?" "Yes, I suppose that's true," replied the dean of the divinity school. "Just as in astronomy it all boils down to one thing--'Twinkle, twinkle, little star.' "