ET- Sign Language

“Do you talk?” Elliott snapped his fingertips up and down like a yakking mouth.

  The elderly scientist blinked again, then moved his own fingertips, making galactic-intelligence patterns, the cosmic super-codes of survival, ten million years’ worth.

  Elliott blinked stupidly, as the whizzing fingertips described delicate orbits, spirals, angles of physical law.

  The old creature dropped his hands in frustration, seeing that nothing was grasped, and recollecting again that this was just a ten-year-old child.

- E.T. the Extra-Terrestrial in His Adventure on Earth, chapter 4