Being devoid of all vices, devotion and asceticism should be practiced here. It has been prescribed by God that truth shall constitute the vow of the righteous.
निवृत्तेनैव दोषेण तपोव्रतभिहाचरेत्। एतद् धातृकृतं वृत्तं सत्यमेव सतां व्रतम्॥