种树的最佳时间是20年前。第二好的时间就是现在。

"The truth is rarely pure and never simple."

【释义】技艺本身没有高低大小之分，最可贵的是能够精通。

The narrative of economic progress must include the voices of those who have been left behind.

风险不在于我们目标太高而失败，而在于我们目标太低而成功。