经济史告诉我们，改变是可能的，但很少是容易的。
"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."
真相并不总是美丽的，但追求真相总是美丽的。
有时候写作最难的部分就是开始。
Psychology must be based on observable phenomena, not abstractions.