A writer needs three things, experience, observation, and imagination, any two of which, at times any one of which, can supply the lack of the others. Who said . . . Who said . . . In the middle of difficulty lies opportunity. Who said . . .
Every truth passes through three stages before it is recognized.
Who said . . . Who said . . . Who said . . . You are in third place on this chart. Even pure guessing should have produced three correct answers.