Way back when, people hung a lot of their moral philosophy on the bible.
To some extent, I would argue that one of the reasons the Constitution is such a good document is that the Founding Fathers were, for the most part, reasonably moral. Did their ethics and morality come from religion? I doubt it...Consider:
"The Christian right is trying to rewrite the history of the United States as part of its campaign to force its religion on others. They try to depict the founding fathers as pious Christians who wanted the United States to be a Christian nation, with laws that favored Christians and Christianity. THE FOUNDING FATHERS WERE NOT CHRISTIANS
This is patently untrue. The early presidents and patriots were generally Deists or Unitarians, believing in some form of impersonal Providence but rejecting the divinity of Jesus and the absurdities of the Old and New testaments.
George Washington, the first president of the United States, never declared himself a Christian according to contemporary reports or in any of his voluminous correspondence. Washington Championed the cause of freedom from religious intolerance and compulsion. When John Murray (a universalist who denied the existence of hell) was invited to become an army chaplain, the other chaplains petitioned Washington for his dismissal. Instead, Washington gave him the appointment. On his deathbed, Washinton uttered no words of a religious nature and did not call for a clergyman to be in attendance.
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George Washington and Religion by Paul F. Boller Jr., pp. 16, 87, 88, 108, 113, 121, 127 (1963, Southern Methodist University Press, Dallas, TX)
John Adams, the country's second president, was drawn to the study of law but faced pressure from his father to become a clergyman. He wrote that he found among the lawyers 'noble and gallant achievments" but among the clergy, the "pretended sanctity of some absolute dunces". Late in life he wrote: "Twenty times in the course of my late reading, have I been upon the point of breaking out, "This would be the best of all possible worlds, if there were no religion in it!"
It was during Adam's administration that the Senate ratified the Treaty of Peace and Friendship, which states in Article XI that "the government of the United States of America is not in any sense founded on the Christian Religion."
The Character of John Adams by Peter Shaw, pp. 17 (1976, North Carolina Press, Chapel Hill, NC) Quoting a letter by JA to Charles Cushing Oct 19, 1756, and John Adams, A Biography in his Own Words, edited by James Peabody, p. 403 (1973, Newsweek, New York NY) Quoting letter by JA to Jefferson April 19, 1817, and in reference to the treaty, Thomas Jefferson, Passionate Pilgrim by Alf Mapp Jr., pp. 311 (1991, Madison Books, Lanham, MD) quoting letter by TJ to Dr. Benjamin Waterhouse, June, 1814.
Thomas Jefferson, third president and author of the Declaration of Independence, said:"I trust that there is not a young man now living in the United States who will not die a Unitarian." He referred to the Revelation of St. John as "the ravings of a maniac" and wrote:
The Christian priesthood, finding the doctrines of Christ levelled to every understanding and too plain to need explanation, saw, in the mysticisms of Plato, materials with which they might build up an artificial system which might, from its indistinctness, admit everlasting controversy, give employment for their order, and introduce it to profit, power, and pre-eminence. The doctrines which flowed from the lips of Jesus himself are within the comprehension of a child; but thousands of volumes have not yet explained the Platonisms engrafted on them: and for this obvious reason that nonsense can never be explained."
Thomas Jefferson, an Intimate History by Fawn M. Brodie, p. 453 (1974, W.W) Norton and Co. Inc. New York, NY) Quoting a letter by TJ to Alexander Smyth Jan 17, 1825, and Thomas Jefferson, Passionate Pilgrim by Alf Mapp Jr., pp. 246 (1991, Madison Books, Lanham, MD) quoting letter by TJ to John Adams, July 5, 1814