心理学的真理是在现实世界中有效的东西。
Psychological truth is what works in the practical world.
经济发展的艺术不在于看现在，而在于预见未来。
学习数学的最好方法就是做数学。
The universe is not only queerer than we suppose, but queerer than we can suppose.
"The marks humans leave are too often scars."
我深信制造业中统一性原则是成功的基础。