Certainty Ends Inquiry.

Astronomy Is Not The Apex Of Science Or Of Invention. But It Is A Test Of The Cast Of Temperament And Mind That Underlies A Culture.

The Most Powerful Drive In The Ascent Of Man Is His Pleasure In His Own Skill. He Loves To Do What He Does Well And, Having Done It Well, He Loves To Do It Better. You See It In His Science. You See It In The Magnificence With Which He Carves And Builds, The Loving Care, The Gaiety, The Effrontery. The Monuments Are Supposed To Commemorate Kings And Religions, Heroes, Dogmas, But In The End The Man They Commemorate Is The Builder.

[john] Dalton Was A Man Of Regular Habits. For Fifty-seven Years He Walked Out Of Manchester Every Day; He Measured The Rainfall, The Temperature-a Singularly Monotonous Enterprise In This Climate. Of All That Mass Of Data, Nothing Whatever Came. But Of The One Searching, Almost Childlike Question About The Weights That Enter The Construction Of These Simple Molecules-out Of That Came Modern Atomic Theory. That Is The Essence Of Science: Ask An Impertinent Question, And You Are On The Way To The Pertinent Answer.

Every Animal Leaves Traces Of What It Was; Man Alone Leaves Traces Of What He Created.

We Are All Afraid For Our Confidence, For The Future, For The World. That Is The Nature Of The Human Imagination. Yet Every Man, Every Civilization, Has Gone Forward Because Of Its Engagement With What It Has Set Itself To Do.