The So-called Co-efficient Of Heritability, Which I

The Million, Million, Million ... To One Chance Happens Once In A Million, Million, Million ... Times No Matter How Surprised We May Be That It Results In 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.

A Book That I Rate Only Second In Importance In Evolution Theory To Darwin 's Origin (this As Joined With Its Supplement Of Man), And Also Rate As Undoubtedly One Of The Greatest Books Of The Twentieth Century

Experimental Observations Are Only Experience Carefully Planned In Advance, And Designed To Form A Secure Basis Of New Knowledge.

[coining The Phrase "test Of Significance"] Critical Tests Of This Kind May Be Called Tests Of Significance, And When Such Tests Are Available We May Discover Whether A Second Sample Is Or Is Not Significantly Different From The First.