Persistence in research often pays off when you least expect it.
The dead are always looking down on us, they say. But we don't look back.
Life would be tragic if it weren't funny.
海洋不仅是一种资源；它是我们必须为子孙后代承担的责任。
A society that does not recognize the rights of its citizens is doomed to decay.
组织是人类的社区，而不是人力资源的集合。
The best ideas often come from unexpected places—stay open-minded.