There is no magic. There is only knowledge, more or less hidden.

Science has so accustomed us to devising and accepting theories to account for the facts we observe, however fantastic, that our minds must begin their manufacture before we are aware of it.

We have treatments for disturbed persons, Nicholas. But, at least for the time being, we have no treatment for disturbing persons.

A hundred wise men have said in various ways that love transcends the power of death, and millions of fools have supposed that they meant nothing by it. At this late hour in my life I have learned what they meant. They meant that love transcends death. They are correct.

Religion and science have always been matters of faith in something. It is the same something.

I could speculate, but it would be just speculation and the kind of thing that you would get in with a science fiction story. And if I was doing a science fiction story then I would come up with what can go wrong with this system.

My definition of good literature is that which can be read by an educated reader, and reread with increased pleasure.