The Last Wish - Andrzej Sapkowski

“Don’t you think” — he smiled — “that my lack of faith makes such a trance pointless?” “No, I don’t. And do you know why?” “No.” Nenneke leaned over and looked him in the eyes with a strange smile on her pale lips. “Because it would be the first proof I’ve ever heard of that a lack of faith has any kind of power at all.