2. He didn't advertise his faith
Strike two: He didn’t advertise his faith. Debate over Lincoln’s religious beliefs is heated. But there’s good evidence that he questioned Christian orthodoxy, perhaps not so surprising at a time when Biblical verses were routinely used to defend slavery, an institution he found morally repugnant.
While it’s true that Lincoln frequently evoked the Divine in his speeches, he never took up membership in a church, and certainly never spoke publicly about his personal relationship with Christ.