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. — Robert Heinlein in Expanded Universe (1980)
It is difficult to get a man to understand something when his salary depends on his not understanding it. — Upton Sinclair
There is nothing more frightful than ignorance in action. — Johann Wolfgang von Goethe
A certain combination of incompetence and indifference can cause almost as much suffering as the most acute malevolence. — Bruce Catton, A Stillness at Appomattox (1953)
Any sufficiently advanced incompetence is indistinguishable from malice.
If Jesus was Jewish why does he have a Mexican name?
I don’t know whether the world is run by smart people who are putting us on, or by imbeciles who really mean it.
People are more violently opposed to fur than leather because it’s safer to harass rich women than motorcycle gangs.
They laughed at Joan of Arc, but she went right ahead and built it. — Gracie Allen
Football incorporates the two worst elements of American society: violence punctuated by committee meetings. — George F. Will, 1994
Everything above is a true statement, for sufficiently false values of true.