He knew absolutely nothing about pure New Testament Christianity or Mosaic Judaism, for that matter. He swallowed Marxism whole, and tweaked it with his own moronic philosophy. But this is what ideology does, and Marxism is pure ideology, a human creation, totally devoid of truth and divorced from historical reality and economic law. It is why, incidentally, the Democratic Party today is so historically ignorant and convoluted, and that nearly everything these people believe and say is a lie.
