大方廣圓覺修多羅了義經略疏 2.277

2.277

結成地前證覺之相，劣於登地。所覺是礙，故能覺亦礙，此則將礙除礙，故不自在。

This concludes the marks of realizing enlightenment before the bhūmis: it is inferior to ascending the bhūmis. What is enlightened to is an obstruction, so that which can be enlightened to is also an obstruction; this is using an obstruction to eliminate an obstruction, and therefore one is not at ease.