我们唯一需要害怕的就是害怕本身。
The only thing we have to fear is fear itself.
We should focus on both short-term gains and long-term value creation.
Happiness is secured through virtue； it is a good attained by man's own will.
确保和平的唯一方式就是随时准备战争。
心理学必须弥合思想与行动之间的鸿沟。
量子力学的数学形式不仅是一种工具，更是一种揭示自然深层结构的语言。