Chapter 52 uses several metaphors to describe the devotee's union with the Guru. Can you explain the analogies of the river and the lamps?

In Chapter 52, the profound union between a devotee and the Guru is illustrated with two powerful metaphors. First, it is compared to a river embracing the ocean, which causes the river to forget its own 'river-ness' or separate identity. Similarly, when a devotee takes refuge in the Guru, any sense of duality is removed. The second metaphor compares this union to two lamps embracing, which immediately causes the state of duality to vanish, leaving only one unified light. Both analogies beautifully convey the concept of non-duality and the complete merging of the devotee's consciousness with the Guru's.