[mugs99]

Those aren't prayer quotes, they are statements about the importance of morals.

They are prayers taken out of context from political speeches. Good morals are not the exclusive domain of Christians.

But go ahead and present the true picture of the founding fathers

No problem...
According to Rev. Ashbel Green, the Presbyterian minister who was a close personal friend of George Washington, "while Washington was very deferential to religion and its ceremonies, like nearly all the founders of the Republic, he was not a Christian, but a Deist."
...

[Jibaholic]

I never said that good morals are the exclusive domain of Christians, and neither did I say that Washington was a Christian. What I have been saying, and what I have been quoting the predominately deist Founding Fathers as saying, is that good morals are important to a healthy democratic society.

In economics terms, morals are an externality. Libertarians don't like to talk about externalities because they would rather focus on transactions in which all costs are paid by the buyer only. But in the real world that doesn't always happen.