Complex sentence: It is spoken by another character in conversation with the young Schlageter in a scene where Schlageter and his wartime comrade Friedrich Thiemann studying for a college examination, but then start disputing whether it's worthwhile doing so when the nation is not free.
Split into simpler sentences: It is spoken by another character in conversation with the young Schlageter. It's a scene where Leo and his wartime comrade Friedrich are first learning and preparing for a college examination and then start disputing whether it's worthwhile doing so when the nation is not free.