Evolution Has Encountered No Intellectual Trouble; No

All Interesting Issues In Natural History Are Questions Of Relative Frequency, Not Single Examples. Everything Happens Once Amidst The Richness Of Nature. But When An Unanticipated Phenomenon Occurs Again And Again—finally Turning Into An Expectation—then Theories Are Overturned.

Contrary To Current Cynicism About Past Golden Ages, The Abstraction Known As 'the Intelligent Layperson' Does Exist - In The Form Of Millions Of Folks With A Passionate Commitment To Continuous Learning.

If New Species Arise Very Rapidly In Small, Peripherally Isolated Local Populations, Then The Great Expectation Of Insensibly Graded Fossil Sequences Is A Chimera. A New Species Does Not Evolve In The Area Of Its Ancestors; It Does Not Arise From The Slow Transformation Of All Its Forbears. Co-author With Niles Eldridge

Scientists Have Power By Virtue Of The Respect Commanded By The Discipline... We Live With Poets And Politicians, Preachers And Philosophers. All Have Their Ways Of Knowing, And All Are Valid In Their Proper Domain. The World Is Too Complex And Interesting For One Way To Hold All The Answers.

Life Is A Copiously Branching Bush, Continually Pruned By The Grim Reaper Of Extinction, Not A Ladder Of Predictable Progress.