摩訶止觀 9.62

9.62

如是薳久，光應自發；若不發者，當攝心諦觀眉間，放之便發。狀如竹孔吐煙，初乃小小，後乃散大；四色宛轉從眉間出，遍照十方，豁爾大明。一色亦有十功德、八觸、五支、正邪等相。初色發時名「覺」；分別八色名為「觀」。昔雖知肉中有骨，不知骨中八色；昔所未見，慶喜悲慚，名為「喜支」。此色發時深有樂法，心地恬愉，名為「樂支」。定心湛然，安住不動，黮黮轉深；空明智定，信敬慚愧，不生謗毀，離蓋相應。若冷、煖等，叢叢皆無謬亂，故稱「叢林」。但此中動痒、空明、五支等相，心眼開明，法深樂重，不同根本，亦異特勝、通明。彼帶皮肉，觸不通暢；今觸骨人，其法深妙。若論邪相入八色者，或見青色不甚分明，斑駁不好，即是邪相。七色亦如是。闇證無觀慧，如夜多賊；今禪有觀，如晝少偽，設有易却。

After a long time like this, the light should naturally manifest; if it does not manifest, one should collect the mind and closely contemplate the space between the eyebrows, and upon releasing it, it will manifest. It resembles smoke emitted from a bamboo opening: small at first, and later scattering and expanding; the four colors coil and emerge from between the eyebrows, illuminating the ten directions, bursting into great brightness. Each color also has ten virtues, the eight touches, the five limbs, and true and false marks. When the initial color manifests, it is called "applied thought"; distinguishing the eight colors is called "sustained thought." Although formerly one knew there were bones within the flesh, one did not know there were eight colors within the bones; seeing what was never seen before, with rejoicing, joy, and sorrowful shame, is called the "limb of joy." When this color manifests, there is deep experiential joy in the Dharma, and the mental ground is tranquil and cheerful; this is called the "limb of pleasure." The concentrated mind is serene, abiding immovably, murkily growing deeper; with empty clarity, wise concentration, faith, reverence, and shame, giving rise to no slander, in harmony with freedom from the hindrances. The cold, warmth, and the like, gathered densely together, are all without confusion, and are therefore called a "grove." Only in this state, with the marks of itching movement, empty clarity, and the five limbs, the mind's eye is opened and luminous, the Dharma is deep, and the joy is profound; it is not like the fundamental [dhyānas], nor like the extraordinary excellence or the complete clarity. Those retain skin and flesh, so their contact is not unimpeded; now one contacts the skeleton, and the Dharma is profound and wondrous. If one discusses false marks entering the eight colors: if one sees a blue color that is not very distinct, mottled and unpleasant, that is a false mark. The other seven colors are also like this. Blind verification lacks the wisdom of contemplation, like a night filled with many thieves; the present dhyāna possesses contemplation, like daylight with few counterfeits, and even if they arise, they are easily dispelled.