Software is under a constant tension. Being symbolic it is arbitrarily perfectible; but also it is arbitrarily changeable.
没有人值得你流泪，值得让你这么做的人不会让你哭泣。
The world is full of invisible wounds.
Success is not about the amount of money you acquire, it's about the amount of lives you impact.
Sometimes the simplest ideas make the best stories.
Data are profoundly dumb; they tell you nothing about causes and effects.
自信是关键，但你必须用实力来支撑它。