If An Opinion Contrary To

So Far I Have Been Speaking Of Theoretical Science, Which Is An Attempt To Understand The World. Practical Science, Which Is An Attempt To Change The World, Has Been Important From The First, And Has Continually Increased In Importance, Until It Has Almost Ousted Theoretical Science From Men's Thoughts.

With The Introduction Of Agriculture Mankind Entered Upon A Long Period Of Meanness, Misery, And Madness, From Which They Are Only Now Being Freed By The Beneficent Operation Of The Machine.

I Believe Four Ingredients Are Necessary For Happiness: Health, Warm Personal Relations, Sufficient Means To Keep You From Want, And Successful Work.

At The Age Of Eleven, I Began Euclid, With My Brother As My Tutor. This Was One Of The Great Events Of My Life, As Dazzling As First Love. I Had Not Imagined There Was Anything So Delicious In The World. From That Moment Until I Was Thirty-eight, Mathematics Was My Chief Interest And My Chief Source Of Happiness.

My Sad Conviction Is That People Can Only Agree About What They're Not Really Interested In.