the facts speak for themselves
The truth is self-evident based on facts that are publicly available and does not require explanation or elaboration. I know these regulations are unpopular, but the facts speak for themselves: by controlling property prices so strictly, we've managed to reduce homelessness by nearly 75% in the last decade. I have not written this report with any of my own interpretation or bias; instead I've chosen to let the facts speak for themselves.
the facts speak for themˈselves
it is not necessary to give any further explanation about something because the information that is available already proves that it is true: The programme producers say they were careful not to present their own opinions, simply letting the facts speak for themselves.