Iran President Ahmadinejad:

After hearing the entire good news tomorrow night the Iranians should prostrate before Almighty Allah, since it would be high time for thanks given to Him." He added, "By grace of Allah and relying on brave resistance of you, the families of the revolution's martyrs and war disabled veterans our enemies cannot do a damned thing in their confrontation with us, and they know this very well." Further stressing that "They know they cannot do a damned thing, the president said...

Also:

"The Iran crisis they talk about does not exist in Iran, but is a crisis for those who are confronting us and the strong Iranian nation is relying on its faith and its scientific achievements capable of defending itself. "

There have been no reports of nuclear tests inside Iran, however, so it's unclear precisely what capacity Iran now has.