# There's no sense in being precise when you don't even know what you're talking about by John von Neumann > "There's no sense in being precise when you don't even know what you're talking about." > **— John von Neumann**, *Widely attributed; primary source pending* Verification Status: Unverified — exact wording/source has not yet been independently confirmed against a primary source; source clue: Widely attributed; primary source pending.