A Well-stocked Mind Is Safe From Boredom.

A Hundred Years Ago, The Electric Telegraph Made Possible-indeed, Inevitable-the United States Of America. The Communications Satellite Will Make Equally Inevitable A United Nations Of Earth; Let Us Hope That The Transition Period Will Not Be Equally Bloody.

If The House Is To Be Demolished Tomorrow Anyhow, People Seem To Feel, We May As Well Burn The Furniture Today. None Of Our Problems Are Insoluble... But It Seems Clear That To Prevail We Humans Will Have To Act With A Smartness And Selflessness That Has So Far Eluded Us During Our Long And Tangled History.

Good Morning, Dr. Chandra. This Is Hal. I Am Ready For My First Lesson.

Science Demands Patience.

Mars Is The Next Frontier, What The Wild West Was, What America Was 500 Years Ago. It's Time To Strike Out Anew....mars Is Where The Action Is For The Next Thousand Years....the Characteristic Of Human Nature, And Perhaps Our Simian Branch Of The Family, Is Curiosity And Exploration. When We Stop Doing That, We Won't Be Humans Anymore. I've Seen Far More In My Lifetime Than I Ever Dreamed. Many Of Our Problems On Earth Can Only Be Solved By Space Technology....the Next Step Is In Space. It's Inevitable.