The universe is a big place, perhaps the biggest.

I think that novels that leave out technology misrepresent life as badly as Victorians misrepresented life by leaving out sex.

I love you, Eliza,” I said. She thought about it. “No,” she said at last, “I don’t like it.” “Why not?” I said. “It’s as though you were pointing a gun at my head,” she said. “It’s just a way of getting somebody to say something they probably don’t mean. What else can I say, or anybody say, but, ‘I love you, too’?

That's what is was to be young - to be enthusiastic rather than envious about the good work other people could do.

Sometimes I wonder about the Creator of the Universe.

What is flirtatiousness but an argument that life must go on and on and on?

After the thing went off, after it was a sure thing that America could wipe out a city with just one bomb, a scientist turned to Father and said, 'Science has now known sin.' And do you know what Father said? He said, 'What is sin?