法華玄義釋籤 16.40

16.40

通論開權顯實諸法皆體亦如後簡，今取權實相對的示體相，是故簡之。

Speaking generally, when the provisional is opened and the real is revealed, all dharmas are the essence, just as in the subsequent differentiation. Here, taking the provisional and the real in mutual contrast to point out specifically the characteristic of the essence, they are therefore differentiated.