The historian must have some kinship with his subject. The dead will not speak unless they are properly addressed.

Topological insulators are a prime example of how theoretical predictions can lead to experimental discoveries that reshape our understanding of the physical world.

The best way to overcome fear is to face it.

政治制度的衰败往往是由于无法适应变化的环境，导致僵化和最终的衰落。

企业的成功离不开对市场的深刻理解，离不开对消费者的尊重。