What I worry about is not just Nissan, but Japanese manufacturers losing motivation to maintain production in Japan. The high yen is definitely a headwind.

I mean, when you're a pioneer and you are at the forefront of an offensive, you're going to be the most optimistic person.

When you're C.E.O., you have to have two conditions: first, shareholders need to trust you and want you to head your company. The second is that you need to feel the motivation to do the job. So, as long as both are reunited, you continue to do the job. And today, they are reunited.

People will always challenge you on an idea as long as it has not been concretized by somebody else.

The low price of oil is a headwind to investments in alternative energy technologies, but it will not stop them.

Talking about stepping down in five years is frankly not a topic of particular actuality now.

Regulations about environments are going to get tougher and tougher.