Sustainability isn't an option; it's a responsibility.

The development of computational complexity theory has shown us that not all problems are created equal.

The world breaks everyone, and afterward, many are strong at the broken places.

修炼自我要如同虚空般澄澈，虚空本就是万物未动时的本初状态。

Change is good. Change is progress. Without change, nothing would ever improve.