妙法蓮華經玄義 4.23

4.23

修禪者，超越三昧也。近遠超入，近遠超出，近遠超住，是禪功德最深，故名頂禪。於諸法門，自在出入（云云）。

Cultivating dhyāna refers to the transcendent samādhi. Transcending near and far to enter, transcending near and far to exit, transcending near and far to dwell: the merit of this dhyāna is the deepest, hence it is called the peak dhyāna. One enters and exits all dharma gates with sovereignty (and so forth).