The Idea That The Universe

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.

Nature Has Not Fitted Man To Any Specific Environment.

A Theory In Its Day Helps To Solve The Problems Of The Day.

When Da Vinci Wanted An Effect, He Willed, He Planned The Means To Make It Happen: That Was The Purpose Of His Machines. But The Machines Of Newton ... Are Means Not For Doing But For Observing. He Saw An Effect, And He Looked For Its Cause.

By The Worldly Standards Of Public Life, All Scholars In Their Work Are Of Course Oddly Virtuous. They Do Not Make Wild Claims, They Do Not Cheat, They Do Not Try To Persuade At Any Cost, They Appeal Neither To Prejudice Nor To Authority . . .