Shiva Purana
नवे वयसि सद्भोगसाधने सुखकारणे ॥ महोपचारसद्भोगैर्वृथैव त्वं तपस्यसि॥ २१॥
In your fresh youth, the means of good enjoyment and the cause of happiness through all requisite articles of pleasure, you are performing this penance in vain.
english translation
nave vayasi sadbhogasAdhane sukhakAraNe ॥ mahopacArasadbhogairvRthaiva tvaM tapasyasi॥ 21॥
hk transliteration by Sanscript