But electrons do not move in clear-cut orbits like revolving celestial bodies. They dance, and the atom is a ballroom. The electrons perform stately waltzes, weave curvaceous tangos, jitter in spasmodic quicksteps, and rock to frenetic rhythms. They are waves dancing to a choreography composed differently for each kind of atom.
Masks of the Universe - Chapter 8 (p. 123), Macmillan Publishing Company. 1985