Wisdom Lies In Understanding Our Limitations.

The Difference Between Physics And Metaphysics Is Not That The Practitioners Of One Are Smarter Than The Practitioners Of The Other. The Difference Is That The Metaphysicist Has No Laboratory.

The Sky Calls To Us. If We Do Not Destroy Ourselves, We Will One Day Venture To The Stars.

For All I Know We May Be Visited By A Different Extraterrestrial Civilization Every Second Tuesday, But There's No Support For This Appealing Idea. The Extraordinary Claims Are Not Supported By Extraordinary Evidence.

Probably A Dozen Times Since Their Death I've Heard My Mother Or Father, In An Ordinary Conversational Tone Of Voice, Call My Name. They Had Called My Name Often During My Life With Them ... It Doesn't Seem Strange To Me.

Our Intelligence Is Imperfect, Surely, And Newly Arisen; The Ease With Which It Can Be Sweet-talked, Overwhelmed, Or Subverted By Other Hardwired Propensities - Sometimes Themselves Disguised As The Cool Light Of Reason - Is Worrisome.