In his closing arguments, Ben goes over the facts of the case.
He recalls what happened that night and the testimony everyone has provided, and then Ben points out that the facts themselves can't speak, so the jurors have to rely on the witnesses to speak for them.
Ben claims the evidence can't be refuted, and he encourages the jurors to have the courage to stand up for what's right.
The final thing he does is quote from the Bible. He uses a verse about how they should see matters of the heart the way God sees stuff instead of the way man does.