You Ask About My Opinion On Vivisection.

Owing To This Struggle For Life, Any Variation, However Slight And From Whatever Cause Proceeding, If It Be In Any Degree Profitable To An Individual Of Any Species, In Its Infinitely Complex Relationship To Other Organic Beings And To External Nature, Will Tend To The Preservation Of That Individual, And Will Generally Be Inherited By Its Offspring.

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.

It Strikes Me That All Our Knowledge About The Structure Of Our Earth Is Very Much Like What An Old Hen Would Know Of The Hundred-acre Field In A Corner Of Which She Is Scratching.

There Is No Fundamental Difference Between Man And The Higher Mammals In Their Mental Faculties...the Difference In Mind Between Man And The Higher Animals, Great As It Is, Certainly Is One Of Degree And Not Of Kind.

If Mozart, Instead Of Playing The Pianoforte At Three Years Old With Wonderfully Little Practice, Had Played A Tune With No Practice At All, He Might Truly Have Been Said To Have Done So Instinctively.