Only God knows that. He is the only one who knows. He is only one who will know. And he is the only one who does know.
Notes from Wikiquote
As quoted in "Pacquiao-Hatton Worthy of Grand Setting" Yahoo! Sports (2009-03-31)
Quote text and notes from Wikiquote: Manny Pacquiao (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.