What the thinker thinks, the prover proves.

The path up is the path down. The way forward is the way back. The universe inside is outside but the universe outside is inside.

O how the darkness do crowd up, one against the other, in ye hearts! What fear ye more that what ye have wroughten?

The variables vary too much and the constants aren't as constant as they seem.

The novels that get praised in the NY Review of Books aren't worth reading. Ninety-seven percent of science fiction is adolescent rubbish, but good science fiction is the best and only literature of our times.

It only takes 20 years for a liberal to become a conservative without changing a single idea.

Communication is only possible between equals.