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With Highly Civilised Nations Continued Progress Depends In A Subordinate Degree On Natural Selection; For Such Nations Do Not Supplant And Exterminate One Another As Do Savage Tribes.

The Most Powerful Natural Species Are Those That Adapt To Environmental Change Without Losing Their Fundamental Identity Which Gives Them Their Competitive Advantage.

The Lower Animals, On The Other Hand, Must Have Their Bodily Structure Modified In Order To Survive Under Greatly Changed Conditions. They Must Be Rendered Stronger, Or Acquire More Effective Teeth Or Claws, In Order To Defend Themselves From New Enemies; Or They Must Be Reduced In Size So As To Escape Detection And Danger. When They Migrate Into A Colder Climate They Must Become Clothed With Thicker Fur, Or Have Their Constitutions Altered. If They Fail To Be Thus Modified, They Will Cease To Exist.

That There Is Much Suffering In The World No One Disputes. Which Is More Likely, That Pain And Evil Are The Result Of An All-powerful And Good God, Or The Product Of Uncaring Natural Forces? The Presence Of Much Suffering Agrees Well With The View That All Organic Beings Have Been Developed Through Variation And Natural Selection.

Music Was Known And Understood Before Words Were Spoken.