“So they're not talking. The gestures are for themselves…” — The Knowledge Project at 16:05
“So they're not talking. The gestures are for themselves and for the environments. They were drawing lines for the paths in the environments and points, dots for the various landmarks. And they were doing it over and over the way you might rehearse a phone number. So they were rehearsing that, checking it and doing it…”
0:00
2:03:40