Shiva Purana

siva.sh/siva-purana/rudra-samhita/145/40

अयं मंत्रो महापुण्यो मत्प्रीतिजनकश्शुभः ।। भुक्तिमुक्तिप्रदस्सर्वकामदश्शैवकावह ।।2.5.7.४०।।

sanskrit

This mantra is highly meritorious and auspicious. It generates the pleasure of the gods. It yields both worlds by enjoyment and salvation, confers cherished desires and brings about the happiness of the devotees of Śiva.

english translation

ayaM maMtro mahApuNyo matprItijanakazzubhaH || bhuktimuktipradassarvakAmadazzaivakAvaha ||2.5.7.40||

hk transliteration by Sanscript