The ocean doesn't belong to any one nation; it's a shared resource that requires global stewardship.
海洋不属于任何一个国家；它是一种需要全球管理的共享资源。
You cannot not know history.
The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.