प्रथमे हि विद्वान्सो वैयाकरणाः व्याकरण मूलतत्वात्सर्वविद्यानाम् ।
prathame hi vidvāṁso vaiyākaraṇāḥ vyākaraṇa-mūlatvāt sarva-vidyānām |
(Dhvanyāloka of Ānanda-vardhana)
“From the very first, the learned are vaiyākaraṇas (grammarians), since vyākaraṇa (grammar) is the basis of all knowledges.”