《三民主义·民权主义·第二讲》（1924年3月16日）

In business, as in life, the choices we make define who we are.

The cowards never started, and the weak died along the way. That leaves us to continue our journey.

色散理论是连接量子力学的抽象形式与我们观察到的具体现象之间的桥梁。