Bhagavad Gita 4.18

कर्मण्यकर्म यः पश्येदकर्मणि च कर्म यः।स बुद्धिमान् मनुष्येषु स युक्तः कृत्स्नकर्मकृत् ॥४.१८॥

karmaṇyakarma yaḥ paśyedakarmaṇi ca karma yaḥsa buddhimān manuṣyeṣu sa yuktaḥ kṛtsnakarmakṛt

He who sees inaction in action and action in inaction, he is wise among men; he is a yogi and performer of all actions.

गीता