He [Mencken] was an autodidact, with all the misplaced confidence and all the astonishing gaps that characterize that breed. Not many of us would venture to write a book about democracy without ever having read de Tocqueville, nor embark on a translation of Nietzsche with only a sketchy knowledge of German.

Nonmathematical people sometimes ask me, “You know math, huh? Tell me something I’ve always wondered, What is infinity divided by infinity?” I can only reply, “The words you just uttered do not make sense. That was not a mathematical sentence. You spoke of ‘infinity’ as if it were a number. It’s not. You may as well ask, 'What is truth divided by beauty?’ I have no clue. I only know how to divide numbers. ‘Infinity,’ ‘truth,’ ‘beauty’—those are not numbers.

You are inhuman brutes determined to rob us of our spiritual consolations and sweep away the moral foundations of our civilization, and on the other: You are obscurantist ignoramuses who'd like to shut down progress and drag us all back to the 16th century, with kings and priests telling us what to think.

He [Mencken] was an autodidact, with all the misplaced confidence and all the astonishing gaps that characterize that breed. Not many of us would venture to write a book about democracy without ever having read de Tocqueville, nor embark on a translation of Nietzsche with only a sketchy knowledge of German.

I tell you, with complex numbers you can do anything.

The sympathies of a well-adjusted person can easily be aroused by the plight of strangers. Indeed, the skillful writer of a novel, a play, or an opera can engage our emotions on behalf of people who are not only strangers to us, but who do not even exist! And a person whose emotions cannot be so aroused is not behaving normally.

I am a homophobe, though a mild and tolerant one, and a racist, though an even more mild and tolerant one, and those things are going to be illegal pretty soon, the way we are going.