Thus It Cannot Be Denied That The

To Spread Healthy Ideas Among Even The Lowest Classes Of People, To Remove Men From The Influence Of Prejudice And Passion, To Make Reason The Arbiter And Supreme Guide Of Public Opinion; That Is The Essential Goal Of The Sciences; That Is How Science Will Contribute To The Advancement Of Civilization, And That Is What Deserves Protection Of Governments Who Want To Insure The Stability Of Their Power.

It Is To Them [fossils] Alone That We Owe The Commencement Of Even A Theory Of The Earth ... By Them We Are Enabled To Ascertain, With The Utmost Certainty, That Our Earth Has Not Always Been Covered Over By The Same External Crust, Because We Are Thoroughly Assured That The Organized Bodies To Which These Fossil Remains Belong Must Have Lived Upon The Surface Before They Came To Be Buried, As They Now Are, At A Great Depth.

It Has Been Long Considered Possible To Explain The More Ancient Revolutions On... The Earth Surface By Means Of These Still Existing Causes; In The Same Manner As It Is Found Easy To Explain Past Events In Political History, By An Acquaintance With The Passions And Intrigues Of The Present Day. But We Shall Presently See That Unfortunately This Is Not The Case In Physical History:-the Thread Of Operation Is Here Broken, The March Of Nature Is Changed, And None Of The Agents That She Now Employs Were Sufficient For The Production Of Her Ancient Works.

The Traces Of Upheavals Become More Impressive When One Moves A Little Higher, When One Gets Even Closer To The Foot Of The Great Mountain Ranges. There Are Still Plenty Of Shell Layers. We Notice Them, Even Thicker And More Solid Ones.

All Organs Of An Animal Form A Single System, The Parts Of Which Hang Together, And Act And Re-act Upon One Another; And No Modifications Can Appear In One Part Without Bringing About Corresponding Modifications In All The Rest.