The facts speak for themselves
Definition 1 of 1
Pro Tip 1/3Evident Conclusions
Use when outcomes are directly observable from the evidence without needing further explanation. 
After seeing the video footage, the facts speak for themselves.
Pro Tip 2/3No Persuasion Needed
Highlight when no additional arguments are required to convince someone of the truth. 
Her excellence in every performance made it clear, the facts speak for themselves.
Pro Tip 3/3Impersonal Argument
Denotes an objective point of view, relying on data or evidence, not personal opinions. 
The statistics on emissions are alarming, and the facts speak for themselves.