“because he's Will”

“But we can trust him Roger, I swear," she said with a final effort,"Because he's Will.”

“I told him I was going to betray you, and betray Lyra, and he believed me because I was corrupt and full of wickedness; he looked so deep I felt sure he'd see the truth. But I lied too well. I was lying with every nerve and fiber and everything I'd ever done...I wanted him to find no good in me, and he didn't. There is none.”

“I think it's perfectly possible to explain how the universe came about without bringing God into it, but I don't know everything, and there may well be a God somewhere, hiding away. Actually, if he is keeping out of sight, it's because he's ashamed of his followers and all the cruelty and ignorance they're responsible for promoting in his name. If I were him, I'd want nothing to do with them.”

“...because where we are is always the most important place.”

“We have to build the Republic of Heaven where we are, because for us, there is no elsewhere.”

“And I came to believe that good and evil are names for what people do, not for what they are. All we can say is that this is a good deed, because it helps someone or that's an evil one because it hurts them. People are too complicated to have simple labels.”