...all Nature Is Perverse &

The Main Conclusion Arrived At In This Work, Namely That Man Is Descended From Some Lowly-organised Form, Will, I Regret To Think, Be Highly Distasteful To Many Persons. But There Can Hardly Be A Doubt That We Are Descended From Barbarians.

A Grain In The Balance Will Determine Which Individual Shall Live And Which Shall Die - Which Variety Or Species Shall Increase In Number, And Which Shall Decrease, Or Finally Become Extinct.

I Am Aware That The Assumed Instinctive Belief In God Has Been Used By Many Persons As An Argument For His Existence. The Idea Of A Universal And Beneficent Creator Does Not Seem To Arise In The Mind Of Man, Until He Has Been Elevated By Long-continued Culture.

Our Descent, Then, Is The Origin Of Our Evil Passions!! The Devil Under Form Of Baboon Is Our Grandfather.

You Ask About My Opinion On Vivisection. I Quite Agree That It Is Justifiable For Real Investigations On Physiology; But Not For Mere Damnable And Detestable Curiosity.