In the context of the scene, Dumbledore tells Harry ... With the return of the dark wizard, Voldemort, the students and professors at Hogwarts will fight to carry on as the world around them ...
It's not the love speech, but another part of the discussion on how to stop Lord Voldemort ... scene, done right, will not only prepare viewers to ook for the characters who are "prepared to fight ...
On the path to defeating Voldemort, Dumbledore consistently mistreated the people closest to him by selfishly keeping them in the dark. From the very beginning, Dumbledore sent Harry off to fight ...