瑜伽論記 1.348

1.348

十五、三界有無，除無色界，以無形及處故。基師解云：欲、色二界中亦非必定有，變人為虎，雀化為蛤等，無中有故。涅槃經言：或說欲、色界有中有；或說欲界無中有，皆不解我意。若一切有者，何故說有？不解我意，故許通無。容豫者有，速疾者無，陷身入地獄，此等皆無故。

Fifteenth, its presence or absence in the three realms: it is excluded from the formless realm because there is no form or place there. Master Ji explains: Even in the desire and form realms, it is not necessarily present, because when a human transforms into a tiger, or a sparrow transforms into a clam, and so forth, there is no intermediate existence. The *Nirvāṇa Sūtra* says: 'Some say that the desire and form realms have an intermediate existence; some say that the desire realm has no intermediate existence; both do not understand my meaning.' If all had it, why say that some do? Because they do not understand my meaning, it is accepted that it may be absent in both. Those who take time have it, while those who are swift do not, such as those whose bodies sink into hell—all such have none.