Goodbye, Hari, My Love. Remember Always--all You

When I Feel Difficulty Coming On, I Switch To Another Book I'm Writing. When I Get Back To The Problem, My Unconscious Has Solved It.

Individual Science Fiction Stories May Seem As Trivial As Ever To The Blinder Critics And Philosophers Of Today - But The Core Of Science Fiction, Its Essence Has Become Crucial To Our Salvation If We Are To Be Saved At All.

In Theory, There Is Nothing The Computer Can Do That The Human Mind Can Not Do. The Computer Merely Takes A Finite Amount Of Data And Performs A Finite Number Of Operations Upon Them. The Human Mind Can Duplicate The Process

Where Is The World Whose People Don't Prefer A Comfortable, Warm, And Well-worn Belief, However Illogical, To The Chilly Winds Of Uncertainty.

Before Another Century Is Done It Will Be Hard For People To Imagine A Time When Humanity Was Confined To One World, And It Will Seem To Them Incredible That There Was Ever Anybody Who Doubted The Value Of Space And Wanted To Turn His Or Her Back On The Universe.