预测未来的最好方法就是创造未来。
The past is a shadow that never leaves.
Memories are like shadows - they follow you everywhere, even when there's no light.
可持续发展不再是可选项，而是我们对后代的责任。
The P versus NP problem is one of the most important unsolved problems in computer science.
The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not.
