"The Iranian nuclear deal is defective at its core."
-- U.S. President Donald Trump, in a speech Tuesday announcing the U.S. withdrawal from the deal.
"We will begin again with the enrichment of uranium at an industrial level without limits."
-- Iran's President Hassan Rouhani, in a speech in reply to the U.S. decision.
"Walking away from the JCPOA turns our back on America’s closest allies, and an agreement that our country’s leading diplomats, scientists, and intelligence professionals negotiated. In a democracy, there will always be changes in policies and priorities from one Administration to the next. But the consistent flouting of agreements that our country is a party to risks eroding America’s credibility, and puts us at odds with the world’s major powers."
-- President Barack Obama, in a statement released in response to the Trump Administration's move.