The Man Who Walks With

Natural Selection Acts Solely By Accumulating Slight Successive Favorable Variations, It Can Produce No Great Or Sudden Modification; It Can Act Only By Very Short Steps.

My Books Have Sold Largely In England, Have Been Translated Into Many Languages, And Passed Through Several Editions In Foreign Countries. I Have Heard It Said That The Success Of A Work Abroad Is The Best Test Of Its Enduring Value. I Doubt Whether This Is At All Trustworthy; But Judged By This Standard My Name Ought To Last For A Few Years.

It May Be Conceit, But I Believe The Subject Will Interest The Public, And I Am Sure That The Views Are Original.

The Earthquake, However, Must Be To Every One A Most Impressive Event: The Earth, Considered From Our Earliest Childhood As The Type Of Solidity, Has Oscillated Like A Thin Crust Beneath Our Feet; And In Seeing The Laboured Works Of Man In A Moment Overthrown, We Feel The Insignificance Of His Boasted Power.

After Five Years' Work I Allowed Myself To Speculate On The Subject, And Drew Up Some Short Notes; These I Enlarged In 1844 Into A Sketch Of The Conclusions, Which Then Seemed To Me Probable: From That Period To The Present Day I Have Steadily Pursued The Same Object. I Hope That I May Be Excused For Entering On These Personal Details, As I Give Them To Show That I Have Not Been Hasty In Coming To A Decision.‎