“The rush of being home in rapid fading…”

The caveman, first discovering the adjective, realized that instead of saying “Sky bluething.” or “Man tallthing.”, they could say “Sky blue.” and “Man tall.”.

“…Waiting for the light to come back, / But hid in talk I knew…”

Imagine their wonder when they discovered verbs.

“…A wise man's tools are analogies and puzzles…”