修習止觀坐禪法要 1.18

1.18

次，食法有四種：一者、若上人大士，深山絕世，草果隨時，得資身者。二者、常行頭陀，受乞食法。是乞食法，能破四種邪命，依正命自活，能生聖道故。邪命自活者：一、下口食，二、仰口食，三、維口食，四、方口食。邪命之相，如舍利弗為青目女說。三者、阿蘭若處檀越送食。四者、於僧中結淨食。有此等食緣具足，名衣食具足。何以故？無此等緣，則心不安隱，於道有妨。

Next, regarding food, there are four methods: First, superior persons and great beings who live deep in the mountains severed from the world, sustaining the body with seasonal wild herbs and fruits. Second, constantly practicing dhūta and adopting the practice of begging for food. This practice of begging can destroy the four kinds of wrong livelihood, allowing one to sustain life by right livelihood, because it can give rise to the noble Path. Livelihood by wrong means refers to: (1) downward-mouth eating, (2) upward-mouth eating, (3) diagonal-mouth eating, and (4) square-mouth eating. The marks of wrong livelihood are as explained by Śāriputra to the woman Qingmu. Third, receiving food brought by donors in an araṇya. Fourth, taking pure food provided within the Saṅgha. When such conditions for food are fulfilled, it is called sufficiency of clothing and food. Why? Because without such conditions, the mind is not at ease and there is hindrance to the Path.