1. Carl's letter to his father mentions that he wants him to take Judith on walks around a neighborhood like they used to do.

"You told me about the walks we'd take when I was three … Holding your hand, I felt happy and special and I felt safe," Carl wrote. "Start everything over. Show everyone that they can be safe again without killing. They can feel safe again ... Make that come back, dad. And go on those walks with Judith. She'll remember them."

We've already seen a vision of Carl's greatest wish.

Season eight has showed us glimpses Carl's vision for the future where Rick and Negan will be at peace right alongside the likes of Jerry and Eugene. Most important is that Rick was taking Judith on a walk to visit everyone around Alexandria.

2. It wasn't just the audience who heard Carl's voice reading his letter to Rick.

According to "Talking Dead," Andrew Lincoln was also able to listen to Carl (Chandler Rigg). While filming the scene, the actor wore an earbud so he could hear Riggs reading the letter.

3. Father Gabriel makes a reference to his lowest point during the zombie apocalypse.

When Gabriel tells Eugene he's sabotaging the bullets, Eugene tells him he needs to get in line or his life is on the line. Gabriel admits that frightens him.

"I don't want to help you, but I do fear death," Gabriel says. "Maybe this is just his [God's] way of showing me that I haven't changed — The way of showing me that I'm still the same person who locked my parishioners out so long ago. I'm still the still the same scared animal doing what I must to survive — like you."

Gabriel is talking about the first time we met him on season five when we learned of his grisly past.

After Rick saves Gabriel from a few zombies, the group was horrified to discover he let his congregation get eaten by walkers while he selfishly locked himself in his own church.

He's come a long way since then, but he could use some hope right about now.

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