Bhagavad Gita 18.11
न हि देहभृता शक्यं त्यक्तुं कर्मण्यशेषतः |
यस्तु कर्मफलत्यागी स सौर्यभिधीयते
Translation
For the embodied being, it is impossible to give up activities entirely. But those who relinquish the fruits of their actions are said to be truly renounced.