妙法蓮華經玄義 7.188

7.188

迹中既有三意，如此迹由本垂，本亦如是，本迹雖殊，不思議一也（云云）。

Since within the traces there are three intents like this, and traces are projected from the original source, the original source is also like this; although the original source and the traces are distinct, they are inconceivably one (and so forth).