|author=William W. Hay |publisher=Springer Science & Business Media |year=2012 |pages=63|isbn=9783642285608 |url=http://books.google.no/books?id=teJYlWH9vg4C |quote=Ussher’s was not the first nor last attempt to determine the age of the Earth from the Bible. Estimates had been made by the Venerable Bede in 723 (3952 BC) and John Lightfoot in 1644 (3929), and later by Johannes Kepler (3992 BC), and Isaac Newton (4000 BC) among others.}}</ref> The latter also vigorously opposed to a naturalistic cosmic evolution and suggested [[chemical]] processes that might aid in explaining the creation of the earth's [[crust]] during the '''six days'''.<ref name="Rappaport1997">{{cite book |title=When Geologists Where Historians, 1665-1750 |author=Rhoda Rappaport |publisher=Cornell University Press |place=Ithaca and London |year=1997 |pages=138, 197 |isbn=978-0801-433863 |url=http://books.google.com/books?id=30U3W2kI7foC}}</ref><br> | |author=William W. Hay |publisher=Springer Science & Business Media |year=2012 |pages=63|isbn=9783642285608 |url=http://books.google.no/books?id=teJYlWH9vg4C |quote=Ussher’s was not the first nor last attempt to determine the age of the Earth from the Bible. Estimates had been made by the Venerable Bede in 723 (3952 BC) and John Lightfoot in 1644 (3929), and later by Johannes Kepler (3992 BC), and Isaac Newton (4000 BC) among others.}}</ref> The latter also vigorously opposed to a naturalistic cosmic evolution and suggested [[chemical]] processes that might aid in explaining the creation of the earth's [[crust]] during the '''six days'''.<ref name="Rappaport1997">{{cite book |title=When Geologists Where Historians, 1665-1750 |author=Rhoda Rappaport |publisher=Cornell University Press |place=Ithaca and London |year=1997 |pages=138, 197 |isbn=978-0801-433863 |url=http://books.google.com/books?id=30U3W2kI7foC}}</ref><br> |