Shiva Purana
अर्जुन उवाच ॥ राज्यार्थं न च मुक्त्यर्थ किमर्थं भाषसे त्विदम् ॥ व्यासस्य वचनेनैव क्रियते तप ईदृशम् ॥ ४७॥
Arjuna said:— It is not for kingdom nor for salvation that this penance is resorted to. Why do you speak like this? I am performing this penance on the advice of Vyāsa.
english translation
arjuna uvAca ॥ rAjyArthaM na ca muktyartha kimarthaM bhASase tvidam ॥ vyAsasya vacanenaiva kriyate tapa IdRzam ॥ 47॥
hk transliteration by Sanscript