Regulated type verse is one that strives for rules and forms,and the level and oblique tunes are the core and the soul of its rules and forms;while the level and oblique tunes must concurrently give consideration to "stubborn saving".

For sure he opposed the rhythm rules of the Qi and Liang Dynastry and thought people didnit have to obey the rhythm rules of modern style poerty,but he also payed attention to the rhythm rules,in fact he accepted the rhythm rules of modern style poetry.

The Research into the Lu Shi of Ming Dynasty;

On the Value of "Standard Forms of Chinese Regular Verse"