The unity of knowledge and action is not only a theoretical issue but also a practical one.
知行合一不仅是一个理论问题,也是一个实践问题。
"La verdadera patria del escritor es su lengua."
The value of an economic model lies in its ability to explain and predict.
The bitterest creature under heaven is the wife who discovers that her husband's bravery is only bravado.
Challenges are opportunities in disguise; embrace them with courage.