The man had so much courage, that he jumped into the burning building to save the woman.
To have courage is to fear something but do it anyway.
John F. Kennedy wrote, "Profiles in Courage." I had the courage to report my classmate for cheating.
He extolled the courage of the new king.
I could not muster up the courage to touch the snake.
"Come on, you have to have courage!" "No, Addison, it's hopeless."
"Everyone should muster the courage to speak in public."
The concrete noun in the sentence is firemen, a word for physical people.
Courage
Example sentence for the abstract noun 'courage':I do not have the courage to tell lies.
the pioneers faced the challenge of settling the frontier with unyielding courage
"Courage is not the absence of fear, but rather the judgment that something else is more important then fear" -- Ambrose Redmoon.
I mean his steadfast courage, his calm continual self-control.