理解经济波动的关键在于技术冲击与建造新资本所需时间之间的相互作用。

出自《海国图志序》。善于学习外国的长处，就能够征服外国;不善于学习外国的长处就会被外国所征服。

我不害怕坠入爱河，我害怕再次爱错了人。

"Thinking begins only when we have come to know that reason, glorified for centuries, is the most stiff-necked adversary of thought."

The artist's responsibility is to create works that stand the test of time.