You Have To Know The Past To

Perhaps, In Retrospect, There Would Be Little Motivation Even For Malevolent Extraterrestrials To Attack The Earth; Perhaps, After A Preliminary Survey, They Might Decide It Is More Expedient Just To Be Patient For A Little While And Wait For Us To Self-destruct.

If We Are Merely Matter Intricately Assembled, Is This Really Demeaning? If There's Nothing Here But Atoms, Does That Make Us Less Or Does That Make Matter More?

We Are, In The Most Profound Sense, Children Of The Cosmos.

Extraordinary Claims Demand Extraordinary Evidence

Eratosthenes's Only Tools Were Sticks, Eyes, Feet, And Brains; Plus A Zest For Experiment. With Those Tools He Correctly Deduced The Circumference Of The Earth, To High Precision, With An Error Of Only A Few Percent. That's Pretty Good Figuring For 2200 Years Ago.