Know that intelligence about Brahma is the lower Arani; the preceptor is the upper Arani; penances and conversance with the scriptures are what make attrition. From this is originated the fire of knowledge.
ब्राह्मण उवाच अरणी ब्राह्मणी विद्धि गुरुरस्योत्तरारणिः। तप:श्रुतेऽभिमन्थीतो ज्ञानाग्निर्जायते ततः॥