The sort of guardian you can hire is worth about as much as the sort of wife you can buy. - Robert A. Heinlein

“Do you know what an anthropologist is?”
“Uh, I am sorry, ma’am—Margaret.”
“It’s simpler than it sounds. An anthropologist is a scientist who studies how people live together.”
Thorby looked doubtful. “This is a science?”
“Sometimes I wonder. Actually, Thorby, it is a complicated study, because the patterns that men work out to live together seem unlimited.”

I started clipping and filing by categories on trends as early as 1930 and my "youngest" file was started in 1945. Span of time is important; the 3-legged stool of understanding is held up by history, languages, and mathematics. Equipped with these three you can learn anything you want to learn. But if you lack any one of them you are just another ignorant peasant with dung on your boots.

Marriages are arranged in heaven but the bills must be paid here on earth.