"one Bitcoin will cost $300k by the end of the year" (Risto Pietila, Bitcoin supernode and King of the World - 2013)
Lol, i heard he is back! 
“With e-currency based on cryptographic proof, without the need to trust a third party middleman, money can be secure and transactions effortless.”
Satoshi Nakamoto, Bitcoin developer
“Bitcoin is Money Over Internet Protocol.”
Tony Gallippi, BitInstant CEO
“Entire classes of bugs are missing.”
Dan Kaminsky, Security Researcher
“There are 3 eras of currency: Commodity based, politically based, and now, math based.”
Chris Dixon, Technology Investor
“The potential for disruption is enormous.”
Jeremy Liew, Lightspeed Venture Partners
“Right now Bitcoin feels like the Internet before the browser.”
Wences Casares, Technology Entrepreneur
“We have elected to put our money and faith in a mathematical framework that is free of politics and human error.”
Tyler Winklevoss, Entrepreneur
“It's the cheapest way to
move money around.”
Max Keiser, Journalist & TV Host