"I laugh when Floyd Mayweather says that if he went back in time he would beat us all. I'll tell you this: if he was in the same era as Hagler and Hearns and Leonard and me, I don't think he would be such a big name. There is too much talk"

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You simply have to eventually fall under suspicion from somebody even by a wrong call. And then they can use this system to go back in time and scrutinize every decision you've ever made, every friend you've ever discussed something with. And attack you on that basis to sort to derive suspicion from an innocent life and paint anyone in the context of a wrongdoer.

— Edward Snowden