To talk of immaterial existences is to talk of nothings. To say that the human soul, angels, god, are immaterial, is to say they are nothings, or that there is no god, no angels, no soul. I cannot reason otherwise: but I believe I am supported in my creed of materialism by Locke, Tracy, and Stewart. At what age of the Christian church this heresy of immaterialism, this masked atheism, crept in, I do not know. But heresy it certainly is.
Thomas JeffersonEvery one must act according to the dictates of his own reason, and mine tells me that civil powers alone have been given to the President of the United States, and no authority to direct the religious exercises of his constituents.
Thomas Jefferson