Shiva Purana

siva.sh/siva-purana/rudra-samhita/91/27

शिवविद्वेषिणं दृष्ट्वा सचेलं स्नानमाचरेत् ।। शिवविद्वेषिणं दृष्ट्वा प्रायश्चितं समाचरेत् ।।२७।।

sanskrit

On seeing a person who hates Śiva one should take bath along with one’s clothes. On seeing a person who hates Śiva one should perform expiatory rites.

english translation

zivavidveSiNaM dRSTvA sacelaM snAnamAcaret || zivavidveSiNaM dRSTvA prAyazcitaM samAcaret ||27||

hk transliteration by Sanscript