Natural Selection Is Not Evolution.

Inductive Inference Is The Only Process Known To Us By Which Essentially New Knowledge Comes Into The World.

No Aphorism Is More Frequently Repeated In Connection With Field Trials, Than That We Must Ask Nature Few Questions, Or, Ideally, One Question, At A Time. The Writer Is Convinced That This View Is Wholly Mistaken. Nature, He Suggests, Will Best Respond To A Logical And Carefully Thought Out Questionnaire; Indeed, If We Ask Her A Single Question, She Will Often Refuse To Answer Until Some Other Topic Has Been Discussed.

No Isolated Experiment, However Significant In Itself, Can Suffice For The Experimental Demonstration Of Any Natural Phenomenon; For The "one Chance In A Million" Will Undoubtedly Occur, With No Less And No More Than Its Appropriate Frequency, However Surprised We May Be That It Should Occur To Us.

The Neutral Zone Of Selective Advantage In The Neighbourhood Of Zero Is Thus So Narrow That Changes In The Environment, And In The Genetic Constitution Of Species, Must Cause This Zone To Be Crossed And Perhaps Recrossed Relatively Rapidly In The Course Of Evolutionary Change, So That Many Possible Gene Substitutions May Have A Fluctuating History Of Advance And Regression Before The Final Balance Of Selective Advantage Is Determined.

... No Scientific Worker Has A Fixed Level Of Significance At Which From Year To Year, And In All Circumstances, He Rejects Hypotheses; He Rather Gives His Mind To Each Particular Case In The Light Of His Evidence And His Ideas.