। ॥ ५४ ॥
In plain words
So, if your vairāgya is genuine: drop the thing your mind is asking for, and do the thing it does not want. That is how the mind is left with nothing to do.
Close to the Sanskrit
Therefore, one whose dispassion is pure should abandon the object desired by the mind; he should do what is not desired by it. From that, it becomes free of activity.