बृहत् पराशर स्मृति - सुचिः

अत्यंतमलिनः कायः नवच्छिद्रसमन्वितः ।
स्रवत्येष दिवारात्रं प्रातःस्नानेन शुद्ध्यति ॥

- बृहत् पराशर स्मृति

atyanmta malinaH kAyaH nava cChidra samanvitaH ।
sravati eSha divA rAtram prAtaH snAnena shuddhyati ॥

- bRuhat parAshara smRuti

This body, which has nine holes is very dirty. Dirt gets into the body through the nine holes all during the day or night. Hence every morning one must wash himself.

- Bruhat Parashara Smriti