Okay, time for some Critical Thinking:
You are given the chance to meet God. God knows everything, he can answer any question you might have, anything you are curious about he could tell you the answer, and what is more he can't lie. In meeting God however, you are only permitted to ask two questions, and he is only permitted to give one answer, but one key idea will be mirrored in the conversation. Only by asking a certain question can you get the right answer, there is only one question you need ask, but you have to ask two. By the end you will have asked the right question, have the right answers and know all you need to know. However, you will never know the second question..
What is the first question?
Have fun, I'll explain all in a few days