"I certainly would hope sanctions would work. But I think they are most likely to work if you keep the military option on the table."

VOA: standard.2010.02.14

He said he never takes any option off the table, but that such a move would only delay Iran's nuclear weapons development by a few years.

VOA: standard.2009.12.12

French Foreign Minister Alain Juppe said the conference needed to exert the maximum pressure on the Syrian government and also on Russia, but insisted there was no military option on the table and France could not envisage such an option without an international mandate.

BBC: Syria unrest: Opposition seeks arms pledge

But as President of the United States, I would never take any option off the table.

WHITEHOUSE: President Obama Holds a Press Conference with King Abdullah II of Jordan | The White House

It is also the right approach to leave no -- take no option off the table.

WHITEHOUSE: Press Briefing