Books Permit Us To Voyage Through Time,

We On Earth Have Just Awakened To The Great Oceans Of Space And Time From Which We Have Emerged. We Are The Legacy Of 15 Billion Years Of Cosmic Evolution. We Have A Choice: We Can Enhance Life And Come To Know The Universe That Made Us, Or We Can Squander Our 15 Billion-year Heritage In Meaningless Self-destruction. What Happens In The First Second Of The Next Cosmic Year Depends On What We Do, Here And Now, With Our Intelligence And Our Knowledge Of The Cosmos.

A Celibate Clergy Is An Especially Good Idea, Because It Tends To Suppress Any Hereditary Propensity Toward Fanaticism.

One Of The Reasons For Its Success Is That Science Has A Built-in, Error-correcting Machinery At Its Very Heart. Some May Consider This An Overbroad Characterization, But To Me Every Time We Exercise Self-criticism, Every Time We Test Our Ideas Against The Outside World, We Are Doing Science. When We Are Self-indulgent And Uncritical, When We Confuse Hopes And Facts, We Slide Into Pseudoscience And Superstition.

I Consider It An Extremely Dangerous Doctrine, Because The More Likely We Are To Assume That The Solution Comes From The Outside, The Less Likely We Are To Solve Our Problems Ourselves.

A Blade Of Grass Is A Commonplace On Earth; It Would Be A Miracle On Mars. Our Descendants On Mars Will Know The Value Of A Patch Of Green. And If A Blade Of Grass Is Priceless, What Is The Value Of A Human Being?