There is no such thing as a functional illiterate.

Isn't it interesting that the same people who laugh at science fiction listen to weather forecasts and economists?

The real world is not user-friendly

Celestial navigation is based on the premise that the Earth is the center of the universe. The premise is wrong, but the navigation works. An incorrect model can be a useful tool.

The only thing you will ever be able to say in the so-called 'social' sciences is: "some do, some don't.".

Elusive success is not the same as failure.