Being in love was like China: you knew it was there, and no doubt it was very interesting, and some people went there, but I never would. I'd spend a… - Philip Pullman

Who is this man who's got the knife?

You fought for the knife?" "Yes, but — " "Then you're a warrior. That's what you are. Argue with anything else, but don't argue with your own nature." Will knew that the man was speaking the truth. But it wasn't a welcome truth. It was heavy and painful. The man seemed to know that, because he let Will bow his head before he spoke again. "There are two great powers," the man said, "and they've been fighting since time began. Every advance in human life, every scrap of knowledge and wisdom and decency we have has been torn by one side from the teeth of the other. Every little increase in human freedom has been fought over ferociously between those who want us to know more and be wiser and stronger, and those who want us to obey and be humble and submit." "And now those two powers are lining up for battle. And each of them wants that knife of yours more than anything else. You have to choose, boy. We've been guided here, both of us — you with the knife, and me to tell you about it.

Perhaps some particles move backward in time; perhaps the future affects the past in some way we don’t understand; or perhaps the universe is simply more aware than we are.