Then go quickly, and tell his disciples that he has been brought back to life. He’s going ahead of them into Galilee. There they will see him. Take note that I have told you.”
Still later Jesus appeared to the eleven apostles while they were eating. He put them to shame for their unbelief and because they were too stubborn to believe those who had seen him alive.
In addition, we are obviously witnesses who lied about God because we testified that he brought Christ back to life. But if it’s true that the dead don’t come back to life, then God didn’t bring Christ back to life.