The mathematical formulation of a problem is often more essential than its solution, which may be merely a matter of mathematical or experimental skill.
问题的数学表述通常比其解决方案更重要，后者可能仅仅是数学或实验技巧的问题。
最好的故事是让你质疑一切的故事。
在互联网时代，三个月就是一个世纪。
The truth is rarely pure and never simple.
Loneliness is an absolute discovery.
心理学理论必须通过实践经验的检验。