妙法蓮華經玄贊 6.178

6.178

贊曰。下三頌半不信故惡生。有二：初二頌於法不信起三惡業，後一頌半於人不信起四惡行。此初也。「頻蹙」者身不信相，若蹙眉作顰。今云頻者，數數蹙。亦併也，眉併一處。「蹙」音子六反，迫也。亦作「𮜦」。「疑惑」者心不信相。「誹謗」者語不信相。此中應言，若佛在世若滅度後，其有誹謗如斯經典，或復頻蹙而懷疑惑，汝當聽說此人罪報。文中倒也。

The Commentary says: The subsequent three and a half verses deal with the arising of evil due to disbelief. There are two parts: First, two verses on generating the three evil karmas out of disbelief in the Dharma; next, one and a half verses on generating the four evil deeds out of disbelief in persons. This is the first. 'Frowning' is the bodily mark of disbelief, like knitting the eyebrows into a frown. Here 'frequently' means knitting them repeatedly. It also means together, the eyebrows coming together in one place. The pronunciation of 蹙 (cù) is the fanqie of 子 (zǐ) and 六 (liù), meaning cramped or pressing; it is also written as 𮜦. 'Doubting' is the mental mark of disbelief. 'Slandering' is the vocal mark of disbelief. Here it should say: whether the Buddha is in the world or after extinction, if there is anyone who slanders such a classic as this, or again frowning harbors doubt, you should listen to this person's sinful retribution. The order in the text is inverted.