诗人必须是思想和表达的大师。
The poet must be a master of both thought and expression.
The most profound art often emerges from the tension between tradition and innovation.
Mathematics is an art, and as an artist, you have to be honest with yourself.
解释：货卖完了才知道不足，是由于不懂得计量；事情结束了才知道有余，是由于不懂得调节。
The city's poor are like the roots of a tree: unseen, but essential to its survival.
