摩訶止觀 4.174

4.174

既識己心一欲一切欲，即識一切眾生亦復如是。且置餘道，直就人道種種色像、種種音聲、種種心行、種種依報，各各不同。當知欲因，種別無量。一人因果已自無窮，何況多人？一界如是，況九法界？一法如是，何況百法？譬如對寇，寇是勳本；能破寇故，有大功名，得大富貴。無量貪欲是如來種亦復如是，能令菩薩出生無量百千法門。多薪火猛，糞壞生華；貪欲是道，此之謂也。若斷貪欲，住貪欲空，何由生出一切法門？經云：「不斷五欲能淨諸根。」如是觀時，俗諦五蓋自然清淨。

Once one recognizes that one's own mind's single desire is all desires, one then recognizes that it is likewise for all sentient beings. Setting aside the other realms for now, looking directly at the human realm: various forms, various sounds, various mental activities, and various environmental rewards are each distinct. One should know that the causes of desire are of immeasurable varieties. The causes and effects of a single person are already endless, how much more so those of many people? If one realm is like this, how much more so the nine dharmadhātus? If one dharma is like this, how much more so the hundred dharmas? For example, when facing an enemy, the enemy is the basis of merit; because one can defeat the enemy, one achieves great fame and attains great wealth and honor. Immeasurable greed and desire being the seed of the Tathāgata is also like this: they enable the bodhisattva to produce immeasurable hundreds of thousands of Dharma portals. When firewood is plentiful, the fire is fierce; from foul manure, flowers grow; "greed and desire are themselves the Path" refers to this. If one severed greed and desire and abided in the emptiness of greed and desire, whence could all Dharma portals arise? A sūtra says: "Without severing the five desires, one can purify all sense faculties." When contemplating in this way, the five hindrances of conventional truth are naturally purified.