। ॥ ६४३ ॥
In plain words
Nor is this bliss an intrinsic property of the mind either, simply because it is not perceived when the object is absent. Do not think that when the revealing stimulus is absent, the revealed object cannot arise at all.
Close to the Sanskrit
Nor also is this property of the mind, when the object is absent from its non-perception. When the revealer is absent the revealed does not arise, thus let not be thought.