1. "Being" and "Nonbeing"-the Dialectic Aesthetic Thoughts of Zhuangzi. “有”与“无”——庄子美学思想的辩证法。
2. Nonbeing must in some sense be, otherwise what is it that there is not? 非存在必定在某种意义上存在，否则那不存在的东西是什么呢?
3. Nonbeing must in some sense be, otherwise what is it that there is not?This tangled doctrine might be nicknamed Plato's beard; 非存在必定在某种意义上存在，否则那不存在的东西是什么呢?这个纠缠不清的学说可以起个绰号名之曰“柏拉图的胡须”；
