The Man Who Walks With Henslow.

I Must Begin With A Good Body Of Facts And Not From A Principle (in Which I Always Suspect Some Fallacy) And Then As Much Deduction As You Please.

It's An Awful Stretcher To Believe That A Peacock's Tail Was Thus Formed But ... Most People Just Don't Get It - I Must Be A Very Bad Explainer

With Highly Civilised Nations Continued Progress Depends In A Subordinate Degree On Natural Selection; For Such Nations Do Not Supplant And Exterminate One Another As Do Savage Tribes.

The Willing Horse Is Always Overworked.

An American Monkey, After Getting Drunk On Brandy, Would Never Touch It Again, And Thus Is Much Wiser Than Most Men.