Related:

• Progress does not consist in replacing a theory that is wrong with one that is right.
  It consists of replacing a theory that is wrong with one that is more subtly wrong....
• Progress means replacing a theory that is wrong with one more subtly wrong.
• Right theory, wrong universe.
• To get a bachelor's degree in economics one must propose an economic theory.
  To get a master's degree in economics one must prove it wrong....
• Progress at best consists of replacing errors with more subtle errors.
• When you're right, no one remembers. When you're wrong, no one forgets.
• The theory used to be that you marry an older man because they are more mature.
  The new theory is that men don't mature. So you might as well marry a younger one....
• Hibbert: You know, isn't it interesting how the left -- or sinister -- twin is invariably the evil one.
  I had this theory that... Wait a minute. Hugo's scar is on the wrong side....
• In theory, theory is the same as reality. In reality it's not.