法華文句記 5.171

5.171

此對小乘顯聾瘂故、部唯大故，顯一向無，且云密耳。鹿苑有密，準例可知。

This is in contrast to the Lesser Vehicle to show their deafness and dumbness; because that division is solely Mahāyāna, to show that they completely lacked it, it for the moment says it was esoteric. The Deer Park also had the esoteric, which can be known by following this pattern.