Bhagavad Gita Chapter 18.10
na dveṣṭy akuśalaḿ karma
kuśale nānuṣajjate
tyāgī sattva-samāviṣṭo
medhāvī chinna-saḿśayaḥ
Translation
The intelligent renouncer situated in the mode of goodness, neither hateful of inauspicious work nor attached to auspicious work, has no doubts about work.