If We Do Not Speak For Earth,

Our Ancestors Lived Out Of Doors. They Were As Familiar With The Night Sky As Most Of Us Are With Our Favorite Television Programs.

Discussing The Possibilities Of Extraterrestrial Life: I Would Love It Even If They Were Short, Sullen, Grumpy And Sexually Obsessed. But There Just Isn't Any Good Evidence.

I Believe Our Future Depends Powerfully On How Well We Understand This Cosmos In Which We Float, Like A Mote Of Dust In The Morning Sky.

In The Fabric Of Space And In The Nature Of Matter, As In A Great Work Of Art, There Is, Written Small, The Artist's Signature.

Virtually Every Major Technological Advance In The History Of The Human Species - Back To The Invention Of Stone Tools And The Domestication Of Fire - Has Been Ethically Ambiguous.