What is Courage ?

There are lots of different kinds of courage's.
It could be doing something which you have to do ; But you don't want to do it.
It could be doing something that you have never done before.....

Well , Mafatu or ' Stout Heart' , from the book' Call It Courage' , courage gave him the strength to leave the island , and to do everything on his own.

Well , Courage to me means doing something which is really out your comfort zone. Something that is a real challenge , and gives you a wonderful feeling of acheivement.

What do you think courage is?