"I could not do otherwise without transcending the limits prescribed by the Constitution for the President and without feeling that I might in some degree disturb the security which religion nowadays enjoys in this country in its complete separation from the political concerns of the General Government."

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I think one of the great strengths of Americans United is that it has such diversity. That it has not only people who have no religious belief, but lots of people who do and who take that belief very seriously. And I think that provides us with a great opportunity to talk about the separation of church and state. There are plenty of other groups, and some of them are quite good at what they do, but they also have an agenda of non-theism, but we don't have, you might say, a theology. We just have a commitment to the Constitution.

— Barry W. Lynn