And You Are Made Of A Hundred

I Never Said It. Honest. Oh, I Said There Are Maybe 100 Billion Galaxies And 10 Billion Trillion Stars. It's Hard To Talk About The Cosmos Without Using Big Numbers. I Said "billion" Many Times On The Cosmos Television Series, Which Was Seen By A Great Many People. But I Never Said "billions And Billions." For One Thing, It's Too Imprecise. How Many Billions Are "billions And Billions"? A Few Billion? Twenty Billion? A Hundred Billion? "billions And Billions" Is Pretty Vague. When We Reconfigured And Updated The Series, I Checked-and Sure Enough, I Never Said It.

Science Is A Collaborative Enterprise, Spanning The Generations. When It Permits Us To See The Far Side Of Some New Horizon, We Remember Those Who Prepared The Way - Seeing For Them Also.

Better The Hard Truth, I Say, Than The Comforting Fantasy. And In The Final Tolling It Often Turns Out That The Facts Are More Comforting Than The Fantasy.

What Is Called For Is An Exquisite Balance Between Two Conflicting Needs: The Most Skeptical Scrutiny Of All Hypotheses That Are Served Up To Us And At The Same Time A Great Openness To New Ideas. If You Are Only Skeptical, Then No New Ideas Make It Through To You. On The Other Hand, If You Are Open To The Point Of Gullibility And Have Not An Ounce Of Skeptical Sense In You, Then You Cannot Distinguish Useful Ideas From The Worthless Ones.

Eratosthenes Was The Director Of The Great Library Of Alexandria, The Centre Of Science And Learning In The Ancient World. Aristotle Had Argued That Humanity Was Divided Into Greeks And Everybody Else, Whom He Called Barbarians And That The Greeks Should Keep Themselves Racially Pure. He Thought It Was Fitting For The Greeks To Enslave Other Peoples. But Erathosthenes Criticized Aristotle For His Blind Chauvinism, He Believed There Was Good And Bad In Every Nation.