Thomas Jefferson April 11, 1823 Jefferson attacks Calvin, predestination, the immaculate conception and other facets of Christianity. DEAR SIR, — The wishes expressed, in your last favor, that I may continue in life and health until I become a Calvinist, at least in his exclamation of `mon Dieu! jusque à quand’! would make me immortal. I can never join Calvin in addressing his god. He was indeed an Atheist, which I can never be; or rather his religion was Daemonism….