There's another way to phrase that and that is that the absence of evidence is not the evidence of absence. It is basically saying the same thing in a different way. Simply because you do not have evidence that something does exist does not mean that you have evidence that it doesn't exist.
Donald RumsfeldWalk around. If you are invisible, the mystique of the President's office may perpetuate inaccurate impressions about you or the President, to his detriment. After all, you may not be as bad as they're saying.
Donald RumsfeldIn 2003, at the time I made my "Old Europe" comment, the center of gravity in NATO and Europe had long since shifted to the East. With the former Warsaw Pact countries joining NATO, the alliance has a different mix today. Some people were sensitive about my comment because they thought it was a pejorative way of highlighting demographic realities. Apparently they felt it pointed a white light at a weakness in Europe - an aging population. Europe has come some distance since World War II in becoming Europe.
Donald Rumsfeld