Certainty Ends Inquiry.

The Most Remarkable Discovery Made By Scientists Is Science Itself. The Discovery Must Be Compared In Importance With The Invention Of Cave-painting And Of Writing. Like These Earlier Human Creations, Science Is An Attempt To Control Our Surroundings By Entering Into Them And Understanding Them From Inside. And Like Them, Science Has Surely Made A Critical Step In Human Development Which Cannot Be Reversed. We Cannot Conceive A Future Society Without Science.

Dissent Is The Native Activity Of The Scientist, And It Has Got Him Into A Good Deal Of Trouble In The Last Years. But If That Is Cut Off, What Is Left Will Not Be A Scientist. And I Doubt Whether It Will Be A Man.

I Grew Up To Be Indifferent To The Distinction Between Literature And Science, Which In My Teens Were Simply Two Languages For Experience That I Learned Together.

Science Is The Acceptance Of What Works And The Rejection Of What Does Not. That Needs More Courage Than We Might Think.

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.