Shiva Purana
तस्माद्भक्तिर्महेशस्य साधनीया मुनीश्वराः ॥ तयैव निखिलं सिद्धं भविष्यति न संशयः ॥ २६ ॥
Hence, O great sages, devotion to lord Śiva shall be practised. There is no doubt in this that everything is realisable solely through devotion.
english translation
tasmAdbhaktirmahezasya sAdhanIyA munIzvarAH ॥ tayaiva nikhilaM siddhaM bhaviSyati na saMzayaH ॥ 26 ॥
hk transliteration by Sanscript