Shiva Purana
अन्यान्देवान्परित्यज्य कर्मणा मनसा गिरा ॥ तमेव सांबं सगणं भज भावपुरस्सरम् ॥ ४० ॥
Eschewing other gods physically, mentally and verbally, worship him alone, with Śivā with due devotion.
english translation
anyAndevAnparityajya karmaNA manasA girA ॥ tameva sAMbaM sagaNaM bhaja bhAvapurassaram ॥ 40 ॥
hk transliteration by Sanscript