Anyone could learn Lisp in one day, except that if they already knew Fortran, it would take three days.

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

The principal activities of brains are making changes in themselves.

One can acquire certainty only by amputating inquiry.

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.

Imagine what it would be like if TV actually were good. It would be the end of everything we know.

The secret of what anything means to us depends on how we've connected it to all the other things we know. That's why it's almost always wrong to seek the "real meaning" of anything. A thing with just one meaning has scarcely any meaning at all.