I Have No Great Quickness

The More I Study Nature, The More I Become Impressed With Ever-increasing Force With The Conclusion, That The Contrivances And Beautiful Adaptations Slowly Acquired Through Each Part Occasionally Varying In A Slight Degree But In Many Ways, With The Preservation Or Natural Selection Of Those Variations Which Are Beneficial To The Organism Under The Complex And Ever-varying Conditions Of Life, Transcend In An Incomparable Degree The Contrivances And Adaptations Which The Most Fertile Imagination Of Man Could Suggest With Unlimited Time At His Disposal.

Freedom Of Thought Is Best Promoted By The Gradual Illumination Of Men’s Minds Which Follows From The Advance Of Science.

I Hate A Barnacle As No Man Ever Did Before, Not Even A Sailor In A Slow-sailing Ship.

Linnaeus And Cuvier Have Been My Two Gods, Though In Very Different Ways, But They Were Mere Schoolboys To Old Aristotle.

Now When Naturalists Observe A Close Agreement In Numerous Small Details Of Habits, Tastes And Dispositions Between Two Or More Domestic Races, Or Between Nearly-allied Natural Forms, They Use This Fact As An Argument That All Are Descended From A Common Progenitor Who Was Thus Endowed; And Consequently That All Should Be Classed Under The Same Species. The Same Argument May Be Applied With Much Force To The Races Of Man.