Bhagavad Gita Chapter 18.11
na hi deha-bhṛtā śakyaḿ
tyaktuḿ karmāṇy aśeṣataḥ
yas tu karma-phala-tyāgī
sa tyāgīty abhidhīyate
Translation
It is indeed impossible for an embodied being to give up all activities. But he who renounces the fruits of action is called one who has truly renounced.