From a posting on the Sony hack (full text at http://safeandsavvy.f-secure.com/2014/12/30/5-obvious-things-your-business-needs-to-know-about-the-sony-hack/) I found the following bit wise:
Remember that email is forever.
Dance like no one is watching; email like it may one day be read aloud in a deposition.
— Olivia Nuzzi (@Olivianuzzi) December 13, 2014
E-Mail aside, of course the full quote is
“Sing like no one’s listening, love like you’ve never been hurt, dance like nobody’s watching, and live like its heaven on earth.”
(attributed to Mark Twait but also William W. Purkey)