It is evident that the lion thought he would never need help from a mere mouse.
"I" or "Me" are used for first person.
Typically when the narrator uses information that you could probably find somewhere trustworthy, like a textbook and goes on to give specific information that you would need to know for a unit or group of tests. For example, if the passage says "Christopher Columbus didn't actually mean to find the Americas, I guess you could say it was a happy mistake." That would be academic.
