无论是个人还是国家，只要生活节俭，就会繁荣昌盛；如果贪图享受，放纵欲望，那就会走向衰亡。

Innovation in leather starts with respecting the raw material.

Pain is inevitable. Suffering is optional.

Design is not just what it looks like and feels like. Design is how it works.

The real hero is the one who fights even though he is terrified.

纯数学在某种程度上是逻辑思想的诗歌。