—— 请按键盘 空白键 开始游戏 ——

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.
A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.
可持续性不是一种选择,而是我们对后代的责任。
I'm the truth, I'm the voice of the voiceless.
"I'm not a diva. I'm just very passionate about what I do."