Running for president is the new selfie.

Cyberspace, especially, draws us into the instant.

Geniuses of certain kinds - mathematicians, chess players, computer programmers - seem, if not mad, at least lacking in the social skills most easily identified with sanity.

We say that time passes, time goes by, and time flows. Those are metaphors. We also think of time as a medium in which we exist.

I have seen the future, and it is still in the future.

The quotation-business is booming. No subdivision of the culture seems too narrow to have a quotation book of its own.... It would be an understatement to say that these books lean on one another. To compare them is to stroll through a glorious jungle of incestuous mutual plagiarism.

The alternative to doubt is authority, against which science had fought for centuries.