对黑洞的研究彻底改变了我们对空间和时间的理解。

The key to success in computer science is not just about writing code, but understanding the underlying principles and theories that make it work.

死亡很可能是唯一的、最好的生命创造。它是生命的促变者。它送走老一代，给新一代开出道路。