I can't help believing that these things that come from the subconscious mind have a sort of truth to them. It may not be a scientific truth, but it's psychological truth.

My wife Margaret and I sold our house to Sir Roger Penrose and his wife... Talking to Roger, I found we both agreed that AI, as they call it, is not going to b…

Why do so many people dislike science fiction? The answer goes like this: You have to think of science fiction in contrast to its nearest competitor, heroic fa…

That first novel of mine, Non-Stop, is directly attributable to Heinlein. His 'Common Sense' seemed to me such a good story, but bereft of any human feelings. …

Till their own dreams at length decive 'em, And oft repeating, they believe 'em.

The subconscious is ceaselessly murmuring, and it is by listening to these murmurs that one hears the truth.

It is startling to realize how much unbelief is necessary to make belief possible. What we know as blind faith is sustained by innumerable unbeliefs.