Shiva Purana
सर्वस्यैव जगन्मध्ये देह एवाशुचिर्भवेत् ॥ तन्मलावयवस्पर्शाच्छुचिरप्यशुचिर्भवेत् ॥ १६ ॥
In the midst of the entire universe, the body alone is the most unclean. By touching its filthy limbs even the pure becomes impure.
english translation
sarvasyaiva jaganmadhye deha evAzucirbhavet ॥ tanmalAvayavasparzAcchucirapyazucirbhavet ॥ 16 ॥
hk transliteration by Sanscript