the assurance in the last sentence of the first paragraph of the Joint Comprehensive Plan of Action between Iran and the E3/EU+3, while obviously not sufficient in itself, is not insignificant either:
Iran reaffirms that under no circumstances will Iran ever seek, develop or acquire anyThat's reaffirmed, by the way, because Iran has asserted repeatedly that Khamenei declared as much in a fatwa, though that fatwa was allegedly never written down. Now, there it is, and again, standing alone as the third numbered provision in the document's preamble:
nuclear weapons.
iii. Iran reaffirms that under no circumstances will Iran ever seek, develop or
acquire any nuclear weapons.
