The Lion, the Witch, and the Wardrobe
How we cite our quotes:
At the name of Aslan each one of the children felt something jump in his inside. […] Peter felt suddenly brave and adventurous. (7.35)
Peter's courage is innate and only needs a little bit of prompting from the outside in order to show itself.
"[I]f there's anyone who can appear before Aslan without their knees knocking, they're either braver than most or else just silly." (8.24)
Aslan is so awe-inspiring that most creatures find him intimidating. Being brave enough to face Aslan wouldn't necessarily mean you were awesome – it might just mean that you were too foolish to understand how great he really is!
"And the dagger is to defend yourself at great need. For you also are not to be in the battle."
"Why, Sir," said Lucy. "I think – I don't know – but I think I could be brave enough." (10.46-47)
Lucy will one day be known as "Queen Lucy the Valiant," and we think she probably would be brave enough to fight in the battle. However, according to Father Christmas, she shouldn't fight because she's a woman. Hmm. We're more concerned about the fact that she is a young child...