From "Batman: The Animated Series: Two-Face Part II (#1.18)"
You knew there was something terribly wrong with me! You could have fixed me!
[He puts his face in his hands and looks up to reveal the scarring
Now look at me!
I'm sorry, Harvey. I tried.
[the bridge he is standing begins to rock violently. He falls over the edge and screams as he falls toward lava
] Why couldn't you save me?
[He runs over to try to save him
] Harvey! No!
[Thomas and Martha Wayne are standing underneath a streetlight
] Why couldn't you save us, son?
[Bruce wakes up