“Two thousand million people in the world, and the one who has to decide their fate is is the only one who's always hidden from me.”

“We have one set of obligations to the world in general, and we have other sets, never to be reconciled, to our fellow-country men, to our neighbors, to our friends, to our family to our children. We have to go through not two slits at the same time but twenty-two. All we can do is to look afterwards, and see what happened.”

“But that one single soul was emperor of the universe, no less than each of us.”

“Margrethe: And when all our eyes are closed, when even the ghosts have gone, what will be left of our beloved world? Our ruined and dishonoured and beloved world?”

“Early spring, yes. It's one of those cautiously hopeful days at the beginning of April, after the clocks have made their great leap forward but before the weather or the more suspicious trees have quite had the courage to follow them, and Kate and I are traveling north in a car crammed with food and books and old saucepans and spare pieces of furniture.”

“And now everything has changed once again. The air of the Close each evening is full of bird song - I've never really noticed it before. Full of birdsong and summer perfumes, full of strange glimpses and intimations just out of the corner of my eye, of longings and sadness and undefined hopes. It has a name, this sweet disturbance. Its name is Lamorna.”

“Bohr: Heisenberg, I have to say - if people are to be measured strictly in terms of observable quantities...Heisenberg: Then we should need a strange new quantum ethics.”