Bhagavad Gītā Chapter Four verse 22

यदृच्छालाभसंतुष्टो द्वन्द्वातीतो विमत्सरः ।
समः सिद्धावसिद्धौ च कृत्वापि न निबध्यते ॥ २२ ॥

yadṛcchālābhasaṃtuṣṭo dvandvātīto vimatsaraḥ |
samaḥ siddhāv asiddhau ca kṛtvā ’pi na nibadhyate ||

dvaṃdva - pair of oppositessiddhi - accomplishment, performance, fulfilment, attainment, success; the hitting of a mark; coming into force, validity; any unusual skill or faculty or capability; the acquisition of supernatural powers by magical means or the faculty so acquiredmatsara - selfishness; envy, jealousy; hostility

Commentaries and Reflections

Commentary by TKV Desikachar:

Matsara or Jealousy –
“To find fault in others.”