The full text of his OP-ED reads:
The world will soon celebrate the implementation of the landmark agreement that resolves the unnecessary, albeit dangerous, crisis over Iran’s nuclear program. All parties hoped, and continue to believe, that the resolution of the nuclear issue would enable us to focus on the serious challenge of extremism that is ravaging our region — and the world.
President Rouhani has repeatedly declared that Iran’s top foreign policy priority is friendship with our neighbors, peace and stability in the region and global cooperation, especially in the fight against extremism. In September 2013, a month after taking office, he introduced an initiative called World Against Violence and Extremism (WAVE). It was approved by consensus by the United Nations General Assembly, giving hope for a farsighted global campaign against terrorism.
Unfortunately, some countries stand in the way of constructive engagement.