我们必须停止空谈改变,开始行动。
We must stop just talking about change and start acting.
The role of the economist is part scientist, part engineer.
写作是一种勇气的行为——你必须愿意失败。
眼界要开阔,就要游鉴名山大川;度量应宏大,须得熟读经史典籍。