To study history is to learn the grammar of time.
研究历史就是学习时间的语法。
Skepticism: the mark and even the pose of the educated mind.
Innovation is the key driver of economic growth, and we must create environments that foster it.
君子给人的印象有三种变化:远看庄重威严,接触则温和可亲,听讲话则严肃不苟。