The individual's biography is shaped by the historical and social context in which it is embedded.

"A good book is the best of friends, the same today and forever."

To tax the larger incomes at a higher percentage than the smaller， is to lay a tax on industry and economy； to impose a penalty on people for having worked harder and saved more than their neighbors.

Sustainability is not just about materials but about sustaining people's lives and dignity.

知识不会使我们更丰富；它使我们越来越远离神话世界——这个我们曾经的天然家园。

求知若饥，虚心若愚。

钢铁行业必须拥抱可持续性，否则就有被淘汰的风险。