摩訶止觀 5.91

5.91

不可思議境者，如《華嚴》云：「心如工畫師，造種種五陰；一切世間中，莫不從心造。」種種五陰者，如前十法界五陰也。法界者三義，十數是能依，法界是所依，能所合稱，故言「十法界」。又此十法各各因，各各果，不相混濫，故言「十法界」。又此十法一一當體皆是法界，故言「十時界」（云云）。

As for the inconceivable realm: as the Avataṃsaka Sūtra states: 'The mind is like a skilled painter, creating the various five aggregates; in all worlds, there is nothing that is not created from the mind.' The 'various five aggregates' are like the five aggregates of the ten dharmadhātus mentioned before. 'Dharmadhātu' has three meanings: the number ten is the supported, and dharmadhātu is that which supports; combining supported and supporter in name, it is therefore called 'ten dharmadhātus'. Furthermore, these ten dharmas each have their own causes and each have their own effects, without becoming mixed or confused; therefore, they are called 'ten dharmadhātus'. Furthermore, these ten dharmas in their very essence are each the dharmadhātu; therefore, they are called 'ten dharmadhātus' [and so forth].