Shiva Purana
ये भस्मधारिणं त्यक्त्वा कर्म कुर्वंति मानवाः । तेषां नास्ति विनिर्मोक्षः संसाराज्जन्मकोटिभिः 1-24-३० ।
Those men who exclude a man wearing Tripuṇḍra and perform holy rites are not liberated from worldly bondage even after crores of births.
english translation
ye bhasmadhAriNaM tyaktvA karma kurvaMti mAnavAH । teSAM nAsti vinirmokSaH saMsArAjjanmakoTibhiH 1-24-30 ।
hk transliteration by Sanscript