The causal framework is the foundation of scientific reasoning.

The brain is locked in total darkness, of course, children, built that way, but the mind, the mind is full of light.

The monument is a fixed point in the changing city.

Yield rate is not just a number, it's dignity.

我不介意成为一个象征，但我不想成为一座纪念碑。没有什么比纪念碑更可悲的了。