Supernatural: "I'm not a hero. I'm not strong enough."
Doctor Who: "I'm no hero. I really am just a madman in a box."
Sherlock: "Heroes don't exist, and if they did I wouldn't be one of them."
Merlin: "No need to be a hero, Merlin, it really doesn't suit you."
Iron Man 3: "Heroes. There is no such thing."
Avengers: "I still believe in heroes."