A scientific man ought to have no wishes, no affections, a mere heart of stone.  

Change is inevitable, but growth is optional.

To become truly great, one has to stand with people, not above them.

殖民主义没有结束，它只是换了衣服。

天然气开采的创新不仅仅是关于效率——它关乎道德。

To understand the present, you must first understand the past.