The Mukhya Upaniṣads

Maitrī · Prapāṭhaka 1 · Maitrī 1.1

Passage 2

भगवन्नस्थिचर्मस्नायुमज्जामांसशुक्रशोणितश्लेष्माश्रुदू षिते विण्मूत्रवातपित्तकफसङ्घाते दुर्गन्धे निःसारेऽस्मिञ्छरीरे किं कामोपभोगैः ॥१.२ ॥

In plain words

Sir, in this body, defiled by bone, skin, sinew, marrow, flesh, seed, blood, mucus and tears, a heap of dung and urine, of wind and bile and phlegm, foul-smelling and without substance — what is the good of the enjoyment of desires?