"Lee saw the fireball and head through the roar in his ears Hester saying, "That's the last of 'em Lee." He said, or thought, "Those poor men didn't… - Philip Pullman

Then she was pressing her little proud broken self against his face, as close as she could get, and then they died.

...when all the openings were closed, then the worlds would all be restored to their proper relations with one another, Lyra’s Oxford and Will’s would lie over each other again, like transparent images on two sheets of film being moved closer and closer until they merged–although they would never truly touch.

The intentions of a tool are what it does. A hammer intends to strike, a vise intends to hold fast, a lever intends to lift. They are what it is made for. But sometimes a tool may have other uses that you don’t know. Sometimes in doing what you intend, you also do what the knife intends, without knowing.

You are so young, Lyra, too young to understand this, but I shall tell you anyway and you'll understand it later: men pass in front of our eyes like butterflies, creatures of a brief season. We love them; they are brave, proud, beautiful, clever; and they die almost at once. They die so soon that our hearts are continually racked with pain. We bear their children, who are witches if they are female, human if not; and then in the blink of an eye they are gone, felled, slain, lost. Our sons, too. When a little boy is growing, he thinks he is immortal. His mother knows he isn't. Each time becomes more painful, until finally your heart is broken. Perhaps that is when Yambe-Akka comes for you. She is older than the tundra. Perhaps, for her, witches' lives are as brief as men's are to us.