"All's fair in love and war."
"You still think it's beautiful to die for your country. The first bombardment taught us better. When it comes to dying for country, it's better not to die at all"
"Wasn't worth your trouble, he's dead."
End scene with the butterfly. (Nearly wept then).
Scene when Mueller tactlessly asks Kemmerich for his boots after Kemmerich has been amputated.
Paul's passionate speech to the students when he returns home.
The scene with the French girls (obviously because I could understand them).