Hugh Everett's work has been described by many people in terms of many worlds, the idea being that every one of the various alternative histories, branching histories, is assigned some sort of reality.
Murray Gell-MannPerhaps we see equations as simple because they are easily expressed in terms of mathematical notation already invented at an earlier stage of development of the science, and thus what appears to us as elegance of description really reflects the interconnectedness of Nature's laws at different levels.
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-Mann