I Can Remember The Very Spot In

The Plow Is One Of The Most Ancient And Most Valuable Of Man's Inventions; But Long Before He Existed The Land Was In Fact Regularly Plowed, And Still Continues To Be Thus Plowed By Earthworms. It May Be Doubted Whether There Are Many Other Animals Which Have Played So Important A Part In The History Of The World, As Have These Lowly Organized Creatures.

I Ought, Or I Ought Not, Constitute The Whole Of Morality.

It Is Scarcely Possible To Doubt That The Love Of Man Has Become Instinctive In The Dog.

[herschel And Humboldt] Stirred Up In Me A Burning Zeal To Add Even The Most Humble Contribution To The Noble Structure Of Natural Science. No One Or A Dozen Other Books Influenced Me Nearly So Much As These Two. I Copied Out From Humboldt Long Passages About Teneriffe And Read Them Aloud On One Of [my Walking Excursions].

To Suppose That The Eye, With All Its Inimitable Contrivances For Adjusting The Focus To Different Distances, For Admitting Different Amounts Of Light, And For The Correction Of Spherical And Chromatic Aberration, Could Have Been Formed By Natural Selection, Seems, I Freely Confess, Absurd In The Highest Possible Degree.