Sustainable energy solutions will define the 21st century.
有时候,成长中最难的部分是意识到自己并非想象中的那个人。
Investors should avoid making investment decisions based on emotions or market hype.
——临终时对孔祥熙说,1925年3月
The concept of nondeterminism in computation is one of the most important ideas in computer science.
非确定性计算的概念是计算机科学中最重要的思想之一。