 And Paul would know whether Christ really appeared to him or not. He's well documented as being a persecutor. He goes to being a propagator. James, who is viewed in the New Testament as quite skeptical of Jesus during his earthly life. In fact, he kind of made fun of him. You can look at this in John chapter 7, Mark chapter 6, verse 3, sort of suggests this. He gets a special resurrection appearance. Paul mentions it in his creed. Then he is martyred for his faith.