Shiva Purana
तीव्रेण तपसा तस्य संयुक्तस्य स्वयंभुवः ॥ अचिरेणैव कालेन तुतोष स शिवो द्रुतम् ॥७॥
Ere long Śiva became satisfied with the severe penance of the self-born lord Brahmā.
english translation
tIvreNa tapasA tasya saMyuktasya svayaMbhuvaH ॥ acireNaiva kAlena tutoSa sa zivo drutam ॥7॥
hk transliteration by Sanscript