Like every living thing its prime characteristic is a blind, unreasoned instinct to survive. - Robert A. Heinlein

The 3-legged stool of understanding is held up by history, languages, and mathematics. Equipped with those 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.

I dictated my report; forty recruitments all okayed by the Psych Bureau — counting my own, which I knew would be okayed. I was here, wasn't I? Then I taped a request for assignment to operations; I was sick of recruiting.

“Do you seriously expect to start a rebellion with picayune stuff like that?”
“It’s not picayune stuff, because it acts directly on their emotions, below the logical level. You can sway a thousand men by appealing to their prejudices quicker than you can convince one man by logic. It doesn’t have to be a prejudice about an important matter either.