When Permitted To Listen To Alternative Opinions

We Are...capable Of Using Our Compassion And Our Intelligence, Our Technology And Our Wealth, To Make An Abundant And Meaningful Life For Every Inhabitant Of This Planet. To Enhance Enormously Our Understanding Of The Universe, And To Carry Us To The Stars.

Since, In The Long Run, Every Planetary Society Will Be Endangered By Impacts From Space, Every Surviving Civilization Is Obliged To Become Spacefaring — Not Because Of Exploratory Or Romantic Zeal, But For The Most Practical Reason Imaginable: Staying Alive.

We Are Made Of Star Stuff. For The Most Part, Atoms Heavier Than Hydrogen Were Created In The Interiors Of Stars And Then Expelled Into Space To Be Incorporated Into Later Stars. The Sun Is Probably A Third Generation Star.

Science Is A Way Of Thinking That Helps You Not To Fool Yourself.

Except In Pure Mathematics, Nothing Is Known For Certain (although Much Is Certainly False).