I have read the Riks, all the Samans, all the Yajuses, the Chhandas, Astronomy, Nirukta, Grammar, Sankalpa, and Shiksha. But I have no knowledge of the nature of the five principal elements which forin everything.
ऋक्सामसंघांश्च यजूंषि चापि च्छन्दांसि नक्षत्रगति निरुक्तम्। अधीत्य च व्याकरणं सकल्पं शिक्षां च भूतप्रकृतिं न वेदि॥