Brandon Sanderson said this quote
“ So... wait. You're saying that on the other side―where I obviously believed in the other side―I realized that if I Returned I wouldn't believe in the other side, so I came back with the purpose of discovering faith in the other side, which I only lost because I Returned in the first place?Llarimar paused. Then he smiled. That last one breaks down a little bit in the face of logic, doesn't it? ”