Kavyalankarasarasamgraha 7.21

7.21

atra vāṇīkriyārūpāṇāṃ trayāṇāmanupamatayā lokottaratvaṃ pratipādayitumātmanaivopamānopameyabhāvo nibaddhaḥ /

Here, in order to convey the extraordinary nature of the three—speech, action, and beauty—due to their being incomparable, the relationship of standard and subject of comparison is composed with themselves alone.