Bhagavad Gita Chapter 4, Verse 18
कर्मण्यकर्म यः पश्येदकर्मणि च कर्म यः | स बुद्धिमान्मनुष्येषु स युक्तः कृत्स्नकर्मकृत् ||
karmaṇy akarma yaḥ paśyed akarmaṇi ca karma yaḥ sa buddhimān manuṣyeṣu sa yuktaḥ kṛtsna-karma-kṛt
One who sees inaction in action and action in inaction is wise among humans. Such a person is established in yoga and is a true performer of all actions.
Krishna reveals the paradoxical truth that resolves the confusion: 'karmaṇy akarma paśyet' (sees inaction in action) means recognizing that what looks like action might be inaction when done with attachment. 'Akarmaṇi ca karma paśyet' (sees action in inaction) means recognizing that what looks like inaction might be true action when done with awareness and freedom. The wise person ('buddhimān') understands this paradox. 'Yuktaḥ' (established in yoga) means united with the higher purpose. 'Kṛtsna-karma-kṛt' (performer of all actions) doesn't mean doing everything—it means doing all necessary actions with the right understanding. This verse solves the confusion from 4.16: the distinction isn't about activity level, but about consciousness and attachment.