"Yeah, that's true," Zuckerberg said. "One of my friends ... But it was his shirt." Related: Jesse Eisenberg Doesn't Want to Be 'Associated' with Mark Zuckerberg After Social Network: He's Doing ...

Mark Zuckerberg's ... Zuck wore a new shirt he designed himself, bearing Greek text translating to "learning through suffering." The tee called to mind one he wore at his 40th birthday party ...