John Adams seamlessly said the Constitution was only written for a moral, religious people. It was wholly inadequate for the people of any other.

He elaborated, quote, It was John Adams that said the Constitution presupposes a Christian moral people, which means you have to have that underlying principle in order for the Constitution to function and work properly.

One important thing to point out is that John Adams, in his 1798 letter, said that, quote, Our Constitution was made only for a moral and religious people. It's wholly inadequate to the government of any other.