Related:

• I don't know what your destiny will be, but one thing I do know
  the only ones among you who will be really happy are those who have sought and found how to serve....
• The staff shakes violently and says, "I hope you know what you are doing.
  doing. I can't bear to watch!...
• I saw what you did and I know who you are.
• I can only tell you that I sincerely wish that I didn't know now what I didn't know then.
• Chamberlin: The hometown show's the big one, Homer.
  Iha: Yeah, people who called you a weirdo in high school get to see what a successful freak you've become....
• Basic research is what I am doing when - I don't know what I am doing.
• Martin: [takes a seat at the front of the bus] Ba
  No! Martin: No? Bart: Only geeks sit in the front seat....
• I like to know what I'm doing when I'm doing what I do when I'm doing it because I don't know what to do when I'm not doing it.
  -- Stan Ridgeway...