। ॥ ५४० ॥
In plain words
Using this body as a vehicle, the knower of the Self enjoys all the objects that others bring before him, as a child does. No outward sign reveals what he is, and he remains unattached to anything external.
Close to the Sanskrit
Relying on this body as on a vehicle, the knower of the Self, whose sign is unmanifest and who is unattached to the external, enjoys, as a child would, all the objects that present themselves, by another's will.