...is impossible to specify what [consciousness] is, what it does, or why it evolved. Nothing worth reading has been written on it.

Consciousness is a fascinating but elusive phenomenon: it is impossible to specify what it is, what it does, or why it evolved. Nothing worth reading has been written on it.

The willingness to change one’s mind in the light of new evidence is a sign of rationality not weakness.

To establish that a rule is likely to be true, one must try to prove it false.

New adventures enrich one’s life.

Courage and clemency are equal virtues.

If you're famous, I don't - for the life of me - I don't understand why any famous person would ever be on Twitter.

Life is sad, life is a bust, all you can do is do what you must.

She was a steady date until she put on some weight.

Some of the most exciting space education in the country is not coming out of Washington or New York or California or even Texas. It's coming from a place in Kansas called the Cosmosphere.

I am an obsessive rewriter, doing one draft and then another and another, usually five. In a way, I have nothing to say, but a great deal to add.

Rafael, the Rat King, stared at the carnage with black-button eyes. "She is dead." "Ding dong, the witch is dead.

Whatever the lengths to which others may go, His Majesty's Government will never resort to the deliberate attack on women and children and other civilians for purposes of mere terrorism.

Everyone used to want to be star architects. That's no longer the case.