Books
There is no instance of a country having benefited from prolonged warfare.
— Sun Tzu ‧ The Art of War
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
According to this line, no country has ever gained from a long war. It states a broad claim from the source's own perspective: dragging out conflict drains a nation more than it rewards it, so the wiser path avoids extended fighting.
Context reviewed