发现恒星围绕银河系中心的超大质量黑洞运行是天体物理学的一个转折点。
The discovery of stars orbiting the supermassive black hole at the galactic center was a turning point in astrophysics.
The best way to predict the future is to invent it.
I'm a firm believer that you create your own luck.
要理解一个程序，你必须同时成为机器和程序。
用爱和智慧去指导你的生活。
If not now, when? If not me, who?