The last temptation is the greatest treason: To do the right thing for the wrong reason.

Related:

• There is no right way to do a wrong
  thing...
• Ain't no right way to do a wrong thing. --
  The Mad...
• The job of the leader is to make it easy to do the right thing,
  difficult to do the wrong thing...
• Humankind cannot stand very much reality. -
  T.S....
• Immature poets imitate; mature poets steal. -
  T.S....
• In the vacant places, we will build with new bricks.
  T.S....
• Immature poets imitate, mature poets steal. -- T.S.
  Eliot, "Philip...
• Mindy: What's wrong? Homer: Oh, yeah, like you don't know.
  [weeping] We're gonna have sex! Mindy: Oh...well, we...
• It takes less time to do a thing right than explain why you did it wrong.
  Henry Wadsworth...