Should we believe Iran woud never use a nuclear bomb?

We know Iran hides nuclear stuff well, does not let inspectors in, and keeps spinning centrifuges as we "negotiate, but one common LIE of the left is "no worry, iran would never use them". That is one of  the many many LIES Obama tells to try and sell the Iran deal, (http://strongandresolute.blogspot.com/2015/04/obamas-many-many-lies-about-iran-deal.html)

Obama says that Iran would never use a nuclear bomb. He says their faith prevents it, and indeed there is a Fatwa against it. Both are lies but why would we believe this guy? Would you listen to the greatest scholar on Islam?  As Bernard Lewis, the leading contemporary authority on Islam, put it in 2007, to these fanatics “mutual assured destruction is not a deterrent, it is an inducement. We know already [from the Iran-Iraq war] that they do not give a damn about killing their own people in great numbers. . . . They are giving them a quick free pass to heaven and all its delights.”


Boehner: 'I don’t know how you cut a deal with the devil and think the devil is going to keep his end of the deal.'

Powerline blog:

“Nor were the rulers of Iran deterred by the fear that their country would be destroyed in a nuclear war. In the words of the Ayatollah Khomeini, who brought the Islamist revolution to Iran in 1979: “We do not worship Iran, we worship Allah. . . . I say let this land [Iran] go up in smoke, provided Islam emerges triumphant in the rest of the world.” (The quote appeared in a 1981 Iranian collection of the ayatollah’s speeches. In later editions, that line and others were deleted as Iran tried to stir up nationalistic fervor amid the war with Iraq.) And here, speaking in particular of a nuclear exchange with Israel—that “cancer” which the mullahs were and are solemnly pledged to wipe off the map—is the famous “moderate” Hashemi Rafsanjani, in an Al-Quds Day sermon at Tehran University on Dec. 14, 2001: “Application of an atomic bomb would not leave anything in Israel, but the same thing would just produce damages in the Muslim”

The leaders of Iran have no qualms using nuclear bombs. They repeatedly say "destruction of Israel is non-negotiable."  They have ICBMS and submarines. Are you willing to bet the fate of the world on assurances from our jihadist President?