Shiva Purana
रागादिदोषान्संत्यज्य शिवध्यानपरो भव ॥ सत्सम्प्रदायसंसिद्धैस्संगं कुरु न चेतरैः ॥ ५३ ॥
Eschew the faults of lust etc. and be devoted to meditation on Śiva. Associate with those who have inherited good tradition and not with others.
english translation
rAgAdidoSAnsaMtyajya zivadhyAnaparo bhava ॥ satsampradAyasaMsiddhaissaMgaM kuru na cetaraiH ॥ 53 ॥
hk transliteration by Sanscript