You Ask About My Opinion On Vivisection.

The Most Energetic Workers I Have Encountered In My World Travels Are The Vegetarian Miners Of Chile.

When The Views Entertained In This Volume On The Origin Of Species, Or When Analogous Views Are Generally Admitted, We Can Dimly Forsee That There Will Be A Considerable Revolution In Natural History.

Ultimately A Highly Complex Sentiment, Having Its First Origin In The Social Instincts, Largely Guided By The Approbation Of Our Fellow-men, Ruled By Reason, Self-interest, And In Later Times By Deep Religious Feelings, Confirmed By Instruction And Habit, All Combined, Constitute Our Moral Sense Or Conscience.

It Is A Cursed Evil To Any Man To Become As Absorbed In Any Subject As I Am In Mine.

A Republic Cannot Succeed, Till It Contains A Certain Body Of Men Imbued With The Principles Of Justice And Honour.