Sure. This is the last point.
Iran is in a very dangerous neighbourhood. Almost all neighbouring countries are nuclear powers: Russia, China, Pakistan, Israel, and the United States.
They suggest that they do not want to make a bomb; they want to follow what's known as the Japanese option, which is that currently over 30 countries in the world, including Japan, Canada, Brazil, and South Africa, have the capability of making a bomb but they are not necessarily making it. Their logic and rationale is different, and that's their argument.