Having abandoned attachment to the fruit of action (karma), eternally satisfied and without dependence, Even when fully engaged in action (karma), he does not do anything at all.
Abandoning attachment to fruits of action, always content, independent, he does nothing at all even when he engages in action.
(20) When he has cast off [all] attachment to the fruits of works, ever content, on none dependent, though he embarks on work [himself], in fact he does no work at all.
4.20 Having given up attachment to the results of action, he who is ever-contented, dependent on nothing, he really does not do anything even though engaged in action.
4.20 Having renounced attachment to the fruits of his actions, ever contented with the eternal self, and dependent on none, one does not act at all, even though engaged in action.
4.20 Having abandoned attachment to the fruits of the action, ever content, depending on nothing, he does not do anything though engaged in activity.