चत्वारि वाक्परिमिता पदानि तानि विदुर्ब्राह्मणा ये मनीषिणः ।
गुहा त्रीणि निहिता नेङ्गयन्ति तुरीयं वाचो मनुष्या वदन्ति ॥
catvari vak parimita padani tani vidurbrahmana ye manisinah
guha trini nihita nengayanti turiyam vaco manusya vadanti
1. The main difference between highly learned and other men is that highly learned persons know well all the nouns, verbs, prefixes and indeclinables or structuring of the language. All these are thoroughly known to them. The fourth group of words is spoken and colloquial.
2. Those who are not highly learned, do not know the first three and they possess only surficial grasp of the language and its words.
3. Four are the constituent parts of speech which the wise men of learning know. Three of them are hidden in the cave of the mind, they are neither analysed, nor defined, nor understood by ordinary speakers, only the fourth part of speech, or parole, they use in communication