“Where the preamble declares, that coercion is a departure from the plan of the holy author of our religion, an amendment was proposed by inserting ‘Jesus Christ’, so that it would read ‘A departure from the plan of Jesus Christ, the holy author of our religion’; the insertion was rejected by the great majority, in proof that they meant to comprehend, within the mantle of its protection, the Jew and the Gentile, the Christian and Mohammedan, the Hindoo and Infidel of every denomination.”

-Thomas Jefferson, Autobiography, in reference to the Virginia Act for Religious Freedom

“The United States is not a Christian nation anymore than it is a Jewish or Mohammedan nation”
-John Adams: Treaty of Tripoli

“I almost shudder at the thought of alluding to the most fatal example of the abuses of grief which the history of mankind has preserved — the Cross. Consider what calamities that engine of grief has produced!”
-John Adams: Letter to Jefferson

With the role of these individuals in the founding of our country, their opinions should also be observed. The Continental Congress and the Constitutional convention were hodge podge committees made up of some of the most powerful and well connected men in the young nation. If I’m not mistaken, I believe Madison may have been a minister, but to say that they were ALL Christians or Deists or secularists is a falsehood, just as saying that to be an American is to be a Christian or secularist is a falsehood, but people on both sides of this argument will find all of the quotes and facts they need to prove their point (or sell their books) and ignore what disproves their thesis. I guess my point is, if you put three people in a room to discuss something, you are going to have three different opinions.