If we understood something just one way, we would not understand it at all.

General fiction is pretty much about ways that people get into problems and screw their lives up. Science fiction is about everything else.

You don't understand anything unless you understand there are at least 3 ways.

Speed is what distinguishes intelligence. No bird discovers how to fly: evolution used a trillion bird-years to 'discover' that – where merely hundreds of person-years sufficed.

It would be as useless to perceive how things 'actually look' as it would be to watch the random dots on untuned television screens.

What would a Martian visitor think to see a human being laugh? It must look truly horrible: the sight of furious gestures, flailing limbs, and thorax heaving in frenzied contortions.

The principal activities of brains are making changes in themselves.