Certainty Ends Inquiry.

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

Sex Was Invented As A Biological Instrument By (say) The Green Algae. But As An Instrument In The Ascent Of Man Which Is Basic To His Cultural Evolution, It Was Invented By Man Himself.

The World Today Is Made, It Is Powered By Science; And For Any Man To Abdicate An Interest In Science Is To Walk With Open Eyes Towards Slavery.

[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.

There Is No Absolute Knowledge. And Those Who Claim It, Whether They Are Scientists Or Dogmatists, Open The Door To Tragedy.