Faith Does Not Mean Credulity...

The Statistician Cannot Excuse Himself From The Duty Of Getting His Head Clear On The Principles Of Scientific Inference, But Equally No Other Thinking Man Can Avoid A Like Obligation.

The Best Causes Tend To Attract To Their Support The Worst Arguments, Which Seems To Be Equally True In The Intellectual And In The Moral Sense.

We May Consequently State The Fundamental Theorem Of Natural Selection In The Form: The Rate Of Increase In Fitness Of Any Organism At Any Time Is Equal To Its Genetic Variance In Fitness At That Time.

Faith Does Not Mean Credulity...

If One In Twenty Does Not Seem High Enough Odds, We May, If We Prefer It, Draw The Line At One In Fifty (the 2 Per Cent. Point), Or One In A Hundred (the 1 Per Cent. Point). Personally, The Writer Prefers To Set A Low Standard Of Significance At The 5 Per Cent. Point, And Ignore Entirely All Results Which Fail To Reach This Level. A Scientific Fact Should Be Regarded As Experimentally Established Only If A Properly Designed Experiment Rarely Fails To Give This Level Of Significance.