In fact any experiment that measures a quantum effect is one in which the quantum effect is aligned with the behavior of some heavy, macroscopic object; that's how we measure it
Murray Gell-MannPlanets are too dim to be detected with existing equipment, far away, except in these very special circumstances where they're seen by their gravitational effect
Murray Gell-MannWhen you think you're listening to several conversations at once, they tell me, you may really simply be time sharing - that is, listening a little bit to this one, a little bit to that one
Murray Gell-MannWe are driven by the usual insatiable curiosity of the scientist, and our work is a delightful game.
Murray Gell-Mann