我想说的是，从长远来看，共产中国很可能比苏联更处于扩张阶段……从策略上，中共可能是更大的威胁。

A scientist’s greatest tool is not just their intellect but their imagination.

Coal has powered our past, but we must be honest about its role in our future.

互联网是我们社会的反映，它放大了好的一面，也放大了坏的一面。