You live and learn. Or you don't live long. - Robert A. Heinlein

So-called instincts are instructive, Felix. They point to survival values.

At least once every human should have to run for his life, to teach him that milk does not come from supermarkets, that safety does not come from policemen, that “news” is not something that happens to other people. He might learn how his ancestors lived and that he himself is no different—in the crunch his life depends on his agility, alertness, and personal resourcefulness.

I looked it up later; he was right. Dad is an absolute mine of useless information. He says a fact should be loved for itself alone.