Shiva Purana
॥ ईश्वर उवाच ॥ सत्यं ते कथयिष्यामि शास्त्रं सर्वोत्तमं प्रिये ॥ येन शास्त्रेण देवेशि नरैः कालः प्रबुध्यते ॥ ६॥
Lord Śiva said:— O beloved, I shall tell you the truth, the Śāstra that is the most excellent of all, by which, O goddess, men can understand their time of death.
english translation
॥ Izvara uvAca ॥ satyaM te kathayiSyAmi zAstraM sarvottamaM priye ॥ yena zAstreNa devezi naraiH kAlaH prabudhyate ॥ 6॥
hk transliteration by Sanscript