Although Much Remains Obscure, And Will Long

So In Regard To Mental Qualities, Their Transmission Is Manifest In Our Dogs, Horses And Other Domestic Animals. Besides Special Tastes And Habits, General Intelligence, Courage, Bad And Good Tempers. Etc., Are Certainly Transmitted.

When It Was First Said That The Sun Stood Still And World Turned Round, The Common Sense Of Mankind Declared The Doctrine False; But The Old Saying Of Vox Populi, Vox Dei [the Voice Of The People Is The Voice Of God], As Every Philosopher Knows, Cannot Be Trusted In Science.

Hereafter We Shall Be Compelled To Acknowledge That The Only Distinction Between Species And Well-marked Varieties Is, That The Latter Are Known, Or Believed To Be Connected At The Present Day By Intermediate Gradations Whereas Species Were Formerly Thus Connected.

What Can Be More Curious Than That The Hand Of A Man, Formed For Grasping, That Of A Mole For Digging, The Leg Of The Horse, The Paddle Of The Porpoise, And The Wing Of The Bat, Should All Be Constructed On The Same Pattern?

I Have Rarely Read Anything Which Has Interested Me More, Though I Have Not Read As Yet More Than A Quarter Of The Book Proper. From Quotations Which I Had Seen, I Had A High Notion Of Aristotle's Merits, But I Had Not The Most Remote Notion What A Wonderful Man He Was. Linnaeus And Cuvier Have Been My Two Gods, Though In Very Different Ways, But They Were Mere Schoolboys To Old Aristotle.