The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.

数学与物理之间的相互作用带来了科学上一些最深刻的见解。

I don't believe in regrets. Everything happens for a reason.

The truth is rarely pure and never simple.

The quality of an organization's transparency determines the quality of its credibility.

Small-scale fishers are the backbone of coastal communities—their voices must be heard.