"I told Netanyahu to keep going."

"For 40 years, they've been saying 'death to America,'… If you go back 15 years, I was saying we cannot let Iran have a nuclear weapon."

"Mr. President, what do you say to the Supreme Leader of Iran who says that they will not surrender?"

I say, 'Good luck.'

"I may do it, I may not do it. Nobody knows what I'm gonna do."

Did you give Iran an ultimatum?

"Ahhh...you could say so. They know what's happening. Maybe, you could call it the ULTIMATE ultimatum...I don't want to say [what it was]."

"Keep going ...I speak to him everyday, he’s a good man, he’s doing a good job… he's been very unfairly treated by his country."

"Iran's enriched uranium stockpile is at its highest levels and is unprecedented for a state without nuclear weapons."