弘贊法華傳 7.8

7.8

又老矩師。亦以法華為業。誦持。即覺口中別有甘味。非世所有。故誦之。不欲息也。

Furthermore, Master Laoju also made the Lotus Sūtra his vocation. Whenever he recited and upheld it, he perceived a distinct sweet flavor in his mouth that was not of this world; therefore, when reciting it, he did not wish to stop.