寻求统一的物理理论是我们时代最伟大的智力冒险之一。

Beauty of whatever kind, in its supreme development, invariably excites the sensitive soul to tears.

Most overnight successes — in fact any significant successes — take at least 5 years. Budget your life accordingly.

He who wants to do good knocks at the gate； he who loves finds the gate open。

如果你想看看这个国家的本质，你必须乘坐铁路。当你快速穿过时，看看外面，你会发现美国的真实面貌。