Related:

• Homer: It's OK, son. Who cares what a bunch of fourth-graders think?
  You're doing what _you_ want to do with your life....
• Burns: What in blue-blazes do you think you're doing, Simpson?
  Homer: What do you mean, sir? Burns: [showing Homer the photo] I mean this!...
• There is never enough time to do it right the first time, but there is always enough time to do it over.