法華義疏 7.99

7.99

皆是大乘正道隨義立名，至理為眾聖所栖如舍，虛通無礙稱門，能生物善根為父，可貴重故如珍也。

These are all designations established in accordance with the meanings of the correct path of the Mahāyāna: the ultimate principle is where all the sages dwell, like a house; being empty, open, and unobstructed is called a gate; being capable of giving birth to living beings' wholesome roots is the father; and being worthy of esteem and honor is like rare jewels.