Here are a few of the proposes quotes:
"We have staked the whole future of American civilization, not upon the power of government, far from it. We have staked the future of all of our political institutions upon the capacity of mankind for self-government; upon the capacity of each and all of us to govern ourselves, to control ourselves, to sustain ourselves according to the Ten Commandments of God."
- James Madison, 1778
"In God We Trust."
- National Motto 1956
"It cannot be emphasized too strongly or too often that this great nation was founded, not by religionists, but by Christians; not on religions, but on the Gospel of Jesus Christ.For this very reason peoples of other faiths have been afforded asylum, prosperity, and freedom of worship here."
- Patrick Henry, May, 1765
"One Nation Under God"
- Pledge of Allegiance, 1954
"We recognize no sovereign but God and no king but Jesus."
- John Adams and John Hancock, April 18, 1775
"Laus Deo Praise Be To God"
- Atop the Washington Monument
"God governs in the affairs of men. And if a sparrow cannot fall to the ground without His notice, is it probable that an empire can rise without His aid?.... Without his concurring aid, we shall succeed in the political building no better than the builders of Babel"
- Benjamin Franklin, June 28, 1787
"So Help Me God"
- Oath of Office, Judiciary Act 1789
"For my own part, I sincerely esteem it a system which without the finger of God, could never have been suggested and agreed upon by such a diversity of interests."
- Alexander Hamilton, 1787
"Religion and Morality... (are) necessary to good government, good order, and good laws"
- Justice William Patterson, A signor of the constitution
"Providence has given to our people the choice of their rulers, and it is the duty as well as the privilege and interest of our Christian nation to select and prefer Christians for their rulers."
- John Jay, October 12, 1816 (First Chief of Justice of the United States Supreme Court)
“I am sure that never was a people, who had more reason to acknowledge a Divine interposition in their affairs, than those of the United States; and I should be pained to believe that they have forgotten that agency, which was so often manifested during our Revolution, or that they failed to consider the omnipotence of that God who is alone able to protect them.”
- George Washington, March 11, 1792
"Whereas it is the duty of all nations to acknowledge to the providence of almighty God, to obey His will, to be grateful for His benefits, and humbly implore his protection and favor..."
- George Washington, October 3,1789
"Proclaim liberty throughout all the land unto all the inhabitants thereof"
- Leviticus 25:10 (The inscription atop the Liberty Bell)
"God who gave us life gave us liberty. Can the liberties of a nation be secure when we have removed a conviction that these liberties are the gift of God? Indeed I tremble for my country when I reflect that God is just, that his justice cannot sleep forever."
- Thomas Jefferson, 1781
"Praise the power that hath made and preserved us a nation. Then conquer we must, when our cause is just, and this be our motto: "In God is our trust". O'er the land of the free and the home of the brave!"
- From the National Anthem of the United States of America