Malcolm Gladwell

a white student from a prestigious private high school gets a higher SAT score than a black student from an inner-city school, is it because she’s truly a better student, or is it because to be white and to attend a prestigious high school is to be constantly primed with the idea of “smart”?

Half were asked to take five minutes beforehand to think about what it would mean to be a professor and write down everything that came to mind. Those students got 55.6 percent of the questions right. The other half of the students were asked to first sit and think about soccer hooligans. They ended up getting 42.6 percent of the Trivial Pursuit questions right.

Any patent you received would protect your intellectual property for twenty years, but after that anyone could take your invention. You get an initial monopoly on your creation because we want to provide economic incentives for people to invent things like cancer drugs. But everyone gets to steal your breast-cancer cure—after a decent interval—because it is also in society’s interest to let as many people as possible copy your invention; only then can others learn from it, and build on it, and come up with better and cheaper alternatives.