Shiva Purana
शिवं स्मर द्रुतं शम्भुं स्वप्रभुम्भक्तरक्षकम् ॥ येन दत्तं हि ते स्वास्त्रं सर्वकार्य्यकरम्परम् ॥ २७॥
Immediately think of Śiva, your lord, the protector of the devotees who had given you a weapon capable of every action.
english translation
zivaM smara drutaM zambhuM svaprabhumbhaktarakSakam ॥ yena dattaM hi te svAstraM sarvakAryyakaramparam ॥ 27॥
hk transliteration by Sanscript