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More Attention To The History Of Science Is Needed, As Much By Scientists As By Historians, And Especially By Biologists, And This Should Mean A Deliberate Attempt To Understand The Thoughts Of The Great Masters Of The Past, To See In What Circumstances Or Intellectual Milieu Their Ideas Were Formed, Where They Took The Wrong Turning Or Stopped Short On The Right Track.

The Best Time To Plan An Experiment Is After You've Done It.

After All, It Is A Common Weakness Of Young Authors To Put Too Much Into Their Papers.

No Practical Biologist Interested In Sexual Reproduction Would Be Led To Work Out The Detailed Consequences Experienced By Organisms Having Three Or More Sexes; Yet What Else Should He Do If He Wishes To Understand Why The Sexes Are, In Fact, Always Two?

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.