釋迦譜 1.138

1.138

祐尋。四河入溟。俱名為海。四族歸道。並號曰釋。可謂總彼殊源。同乎一味者矣。

Sengyou investigates: When the four rivers enter the ocean, all are named the sea; when the four clans take refuge in the Path, all are designated Śākya. This can be called converging their different sources into the same single flavor.