There's a politics to how materials are used.

Most people are afraid of change，but if you look at it as something you can count on，then it can be a comfort.There's not many things you can really count on.

I want to stand as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center.

言论自由是自由的重要堡垒；它们共同繁荣和共同消亡。

行业、科学家和政策制定者之间的合作是解决海洋保护挑战的关键。