Progress is a tension between the notion of perfection and the notion that striving, not finding, is important.

The rationality of our universe is best suggested by the fact that we can discover more about it from any starting point, as if it were a fabric that will unravel from any thread.

Time is a relationship that we have with the rest of the universe; or more accurately, we are one of the clocks, measuring one kind of time. Animals and aliens may measure it differently. We may even be able to change our way of marking time one day, and open up new realms of experience, in which a day today will be a million years.

Progress is a tension between the notion of perfection and the notion that striving, not finding, is important.

Apocalypse is the eye of a needle, through which we pass into a different world.