科学的进步不是一条直线，而是一系列曲折，有时在新的进展之前似乎会倒退。
The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they believe it will bring them strategic advantage.
The best products come from a deep understanding of the problem, not just a desire to make something new.
A good editor knows when to cut and when to hold.
