Facts are friendly, Fiction is Fallacy

The truth will have no conceivable defence, where as a fictional narrative can always be confirmed as fallacy.

John: I believe that we can grow our gross revenue 10% over the next six years using this marketing strategy.

Harvey: Well, facts are friendly. until then, fiction is fallacy.

The definition of fact being an absolute truth, where as to define fallacy is to holding a mistaken belief, especially one based on unsound arguments.

Facts are friendly, fiction is fallacy - would be defined as until you have evidence you are unable to make a case against the fallacy of your argument.