The Iranian president Sheikh Hasan Rohani asserted the necessity of basing the nuclear agreement on assuring all parties’ gain, noting that who senses loss will cancel the accord.

The Iranian president Sheikh Hasan Rohani asserted the necessity of basing the nuclear agreement on assuring all parties' gain, noting that who senses loss will cancel the accord.

Sheikh Rouhani said, during his meeting with the country’s provincial governors, that the Iranian foreign policy witnessed principle openness.

"We do not feel  excessively optimistic or pessimistic," he added, "Political interpretation must be based on facts."