Mantra 1

Glance

अन्नमशितं त्रेधा विधीयते तस्य यः स्थविष्ठो धातुस्तत्पुरीषं भवति यो मध्यमस्तन्मांसं योऽणिष्ठस्तन्मनः ॥ ६.५.१ ॥

In plain words

Food that is eaten is divided in three. Its coarsest part becomes dung, its middle part flesh, and its finest part mind.