Shiva Purana
पश्चाद्विहस्य तत्रैव शंकरो रूपम द्भुतम् ॥ दर्शयामास सहसा भक्तवश्यतया शुभम् ॥ १५ ॥
Then Śiva smiled and revealed his wonderful auspicious form as he is always well disposed to his devotees.
english translation
pazcAdvihasya tatraiva zaMkaro rUpama dbhutam ॥ darzayAmAsa sahasA bhaktavazyatayA zubham ॥ 15 ॥
hk transliteration by Sanscript