Sleep is not a luxury; it’s a necessity for your brain.
睡眠不是奢侈品，而是大脑的必需品。
A book is a mirror: if an ape looks into it, an apostle is unlikely to look out.
The main task in life is simply this: to identify and separate from the things that are not ourselves, so that we can become ourselves.
A 1% drop in user experience becomes a 100% disaster at scale.