Jim Fisher wrote:

It's a pretty well supported theory that the growth of human intelligence
was fed by ice ages.

Personally, I'd rather be dumb but warm than smart but freezing my ass off.

Freezing my butt off seems pretty dumb to me.

George Patterson
"Naked" means you ain't got no clothes on; "nekkid" means you ain't got
no clothes on - and are up to somethin'.