首楞嚴義疏注經 4.202

4.202

This is awakening to the essence of the [tathāgata]garbha. 'Neither perishes nor arises' is the wisdom of non-arising. The tathāgatagarbha is the principle without characteristics. Principle and wisdom tacitly tally, hence it is called 'unite'. At that very time there is only one wonderful mind, without any distinction between principle and wisdom; that is, initial enlightenment unites with the fundamental, without difference between fundamental and initial, because there is only one enlightenment; hence it says 'solely wonderful enlightenment and clarity, completely illuminating the dharmadhātu.'