Any path to knowledge is a path to God-or Reality, whichever word one prefers to use

This is the first age that's ever paid much attention to the future, which is a little ironic since we may not have one.

Death focuses the mind on the things that really matter: why are we here, and what should we do?

Only small minds are impressed by large numbers.

The numbers of distinct human societies or nations, when our race is twice its present age, may be far greater than the total number of all the men who have ever lived up to the present time.

Any sufficiently advanced technology is indistinguishable from magic.

Deep beneath the surface of the Sun, enormous forces were gathering. At any moment, the energies of a million hydrogen bombs might burst forth in the awesome explosion.... Climbing at millions of miles per hour, an invisible fireball many times the size of Earth would leap from the Sun and head out across space.