感觉是意识的基本事实。
Sensations are the elementary facts of consciousness.
经济周期的福利成本并非周期本身,而是个体无法随时间平滑消费的能力。
"The future of physics lies not in discovering new particles, but in understanding the deeper principles that govern the behavior of the particles we already know."
无限小在自然中的作用是无限大的。