We regard it as a certainty that the earth, enclosed between poles, is bounded by a spherical surface. — Nicolaus Copernicus Copy Share Image
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… — Georges Cuvier Copy Share Image
![“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…” quote by Georges Cuvier](https://sms4smile.com/quotes/img-quotes/ec4/georges-cuvier-21747_assured_it-is-to-them-fossils-alone-that-we-owe_967083.jpg)