What it means to “have guts”

There is a certain blend of courage, integrity, character and principle which has no satisfactory dictionary name but has been called different things at different times in different countries. Our American name for it is “guts.”

Louis Adamic [1899 – 1951], A Study in Courage

Source: Bartlett’s Familiar Quotations
Image: Tip of the Avalanche by Keith Rocco, via The National Guard