Shiva Purana
पुरा सुरासुराः सर्वे सिद्धाश्च परमर्षयः ॥ कदाचिद्द्रष्टुमीशानं हिमवच्छिखरं ययुः ॥ ५ ॥
Once formerly, all the gods, Asuras, Siddhas and the sages went to the summit of Himavat in order to see the lord.
english translation
purA surAsurAH sarve siddhAzca paramarSayaH ॥ kadAciddraSTumIzAnaM himavacchikharaM yayuH ॥ 5 ॥
hk transliteration by Sanscript