From Business Insider:
According to SAI sources, the following exchange is between a 19-year-old Mark Zuckerberg and a friend shortly after Mark launched The Facebook in his dorm room:
Zuck: Yeah so if you ever need info about anyone at Harvard
Zuck: Just ask.
Zuck: I have over 4,000 emails, pictures, addresses, SNS
[Redacted Friend's Name]: What? How’d you manage that one?
Zuck: People just submitted it.
Zuck: I don’t know why.
Zuck: They “trust me”
Zuck: Dumb f*cks.