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Through Algebra You Easily Arrive At Equations, But Always To Pass Therefrom To The Elegant Constructions And Demonstrations Which Usually Result By Means Of The Method Of Porisms Is Not So Easy, Nor Is One's Ingenuity And Power Of Invention So Greatly Exercised And Refined In This Analysis.

I Am Ashamed To Tell You To How Many Figures I Carried These Calculations [of Pi], Having No Other Business At The Time

We Are Not To Consider The World As The Body Of God: He Is An Uniform Being, Void Of Organs, Members, Or Parts; And They Are His Creatures, Subordinate To Him, And Subservient To His Will.

If I Have Seen Further Than Others, It Is By Standing Upon The Shoulders Of Giants.

I Can Measure The Motion Of Bodies But I Cannot Measure Human Folly.