The Bible accounts for 34% of the direct quotes in the political writings of the Founding Era.
Bible-------------------- 34% ____________________________________________
Enlightenment------------ 22% ____________________________________________
Whig--------------------- 18% ____________________________________________
Common-Law--------------- 11% ____________________________________________
Classical---------------- 9% ____________________________________________
Other-------------------- 6% ____________________________________________

- - The fact that the Founders quoted the Bible more frequently than any other source in indisputably a significant commentary on its importance in the foundation of our government. In fact, some have conceded that "historians are discovering that the Bible, perhaps even more that the Constitution, is our Founding document."

Source- "Original Intent" The Courts, the Constitution, & Religion by David Barton.