In a collaboration, each author will do 75% of the work.

Half of wisdom is learning what to unlearn.

The reader has certain rights. He bought your story. Think of this as an implicit contract. He's entitled to be entertained, instructed, amused; maybe all three. If he quits in the middle, or puts the book down feeling his time has been wasted, you're in violation.

I do suspect that privacy was a passing fad.

I'm not predicting; I just love playing with superconductors.

The human species really could have faced global thermonuclear war. During seventy years of Cold War we grew used to it.

We should not have assumed that a political space station could be built.