设计中最难的部分是保持功能的简洁。
The most successful investors are those who remain patient and disciplined.
乐观是一种可以学习的技能。
I don't think you can ever really know who you are until you're tested.
数学与物理之间的相互作用带来了科学上一些最深刻的见解。
The best ideas often come from listening—to farmers, scientists, and families.