The second reason to abandon environmental religion is more pressing. Religions think they know it all, but the unhappy truth of the environment is t… - Michael Crichton

In reality, time doesn't pass; we pass. Time itself is invariant. It just is. Therefore, past and future aren't separate locations, the way New York and Paris are separate locations. And since the past isn't a location, you can't travel to it.

Sometimes I look around my living room, and the most real thing in the room is the television. It’s bright and vivid, and the rest of my life looks drab. So I turn the damn thing off. That does it every time. Get my life back.

He had only imagined a slower fighting style from an unconscious assumption that man in the past were weaker or slower or less imaginative than he was, as a modern man.
Marek knew this assumption of superiority was a difficulty faced by every historian. He just hadn’t thought he was guilty of it.
But clearly, he was.