Not One Change Of Species Into Another

... Probably All The Organic Beings Which Have Ever Lived On This Earth Have Descended From Some One Primordial Form, Into Which Life Was First Breathed.

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

Nothing Is Easier Than To Admit In Words The Truth Of The Universal Struggle For Life, Or More Difficult--at Least I Have Found It So--than Constantly To Bear This Conclusion In Mind.

I Look At The Natural Geological Record As A History Of The World Imperfectly Kept And Written In A Changing Dialect; Of This History We Possess The Last Volume Alone, Relating Only To Two Or Three Countries. Of This Volume, Only Here And There A Short Chapter Has Been Preserved; And Of Each Page, Only Here And There A Few Lines.

I Trust And Believe That The Time Spent In This Voyage ... Will Produce Its Full Worth In Natural History; And It Appears To Me The Doing What Little We Can To Increase The General Stock Of Knowledge Is As Respectable An Object Of Life, As One Can In Any Likelihood Pursue.