大乘百法明門論疏 1.40

1.40

問曰：「忿等諸惑是貪上假，則皆法處中攝，何故長等假色是青等上假，非色處中收？」

Question: "Defilements such as anger are nominal upon greed, and are entirely subsumed within the base of mental objects. Why are nominal forms such as long and short, being nominal upon blue and the like, not included within the base of visual form (rūpāyatana)?"