Batman: The Animated Series1992

Alfred:
Master Bruce, are you all right, sir?

Batman:
I'm tired, Alfred.

Alfred:
Well I shouldn't wonder, you've taken no meals today, and I can't recall when you last slept.

Batman:
A weary body can be dealt with, but a weary spirit, that's something else. Sometimes, old friend, I wonder if I'm really doing any good out there.

Alfred:
How can you doubt it? The lives you've saved, the criminals you've brought to justice.

Batman:
I've put out a few fires yes, won a few battles, but the war goes on Alfred, on and on...