nanu cātra sarveṣām avivādāt siddhasādhyatā, nahi kaścid ajñānasambandhaṃ śabdaṃ vācakam icchati /
Indeed, since there is no dispute among anyone about this, it is a case of proving what is [already] proven, for no one considers a word to be expressive [of meaning] when its connection [with that meaning] is not known.