首楞嚴義疏注經 9.268

9.268

若於色、受盡未盡中，用無相慧觀察陰體，本自不生，今則無滅，唯一實相，如此則何有無新證、失故居之慮哉！今既不然，故成自失。

If, amid the ended and unended states of form and sensation, one were to use markless wisdom to contemplate the nature of the aggregates—that they are originally unproduced and now without cessation, solely the one true mark—then how could there be any anxiety about lacking a new realization or losing the old abode! Now, since it is not so, it turns into 'losing oneself.'