We were discussing the Trinity over lunch today. You know, one God in three persons? Well, River always asks the best questions. Always. :-)
M: Momma? I have two feet. Does God have three feet?
Ellie's favorite question? Why.
You don't realize how little you actually know until a child asks you "why?" or "how?"
What was it Einstein said? "If you can't explain it simply, you don't know it well enough."