The World Today Is Made,

Da Vinci Was As Great A Mechanic And Inventor As Were Newton And His Friends. Yet A Glance At His Notebooks Shows Us That What Fascinated Him About Nature Was Its Variety, Its Infinite Adaptability, The Fitness And The Individuality Of All Its Parts. By Contrast What Made Astronomy A Pleasure To Newton Was Its Unity, Its Singleness, Its Model Of A Nature In Which The Diversified Parts Were Mere Disguises For The Same Blank Atoms.

The Preoccupation With The Choice Of A Mate Both By Male And Female I Regard As A Continuing Echo Of The Major Selective Force By Which We Have Evolved.

The Basis For Poetry And Scientific Discovery Is The Ability To Comprehend The Unlike In The Like And The Like In The Unlike.

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.

Man Masters Nature Not By Force But By Understanding. This Is Why Science Has Succeeded Where Magic Failed: Because It Has Looked For No Spell To Cast Over Nature.