Bhagavad Gita 18.10 Chapter 18, Verse 10

न द्वेष्ट्यकुशलं कर्म कुशले नानुषज्जते ।
त्यागी सत्त्वसमाविष्टो मेधावी छिन्नसंशयः ॥१८.१०॥

na dveṣṭyakuśalaṃ karma kuśale nānuṣajjate
tyāgī sattvasamāviṣṭo medhāvī chinnasaṃśayaḥ

Meaning

The relinquisher filled with sattva, wise and free from doubt, neither dislikes unpleasant work nor clings to pleasant work.

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 18.10 (Chapter 18, Liberation through Renunciation (Moksha Sannyasa Yoga), Verse 10)