Related:

• I think I've got a headache.....
• Bother! said Pooh, when he couldn't think of a tagline.
• jIQub vaj jIwuQ (I think, therefore I have a headache)
• Think of doubt as an invitation to think.
• By George I think she's got it!
• You think you've got problems," said Marvin, the paranoid human-hating robot, as if he was addressing a newly occupied coffin, "what are you supposed to do if you ARE a manically depressed robot?
  No, don't bother to answer that, I'm fifty thousand times more intelligent than you and even I don't know the answer....
• Think harder.
• Think more.
• THINK! or THWIM!