“In fact, these possibility collapses happen at the level of elementary particles, but they happen in just the same way: one moment several things are possible, the next moment only one thing happens, and the rest don’t exist. Except that other worlds have sprung into being, on which they did happen.”

“In fact, these possibility collapses happen at the level of elementary particles, but they happen in just the same way: one moment several things are possible, the next moment only one thing happens, and the rest don’t exist. Except that other worlds have sprung into being, on which they did happen.”

— Philip Pullman