Can you explain the concept of the 'triad' vanishing as described in the text about experiencing Sai?

The concept of the 'triad' vanishing, as detailed in Chapter 35, refers to the dissolution of duality in a devotee's perception. The text provides examples for different senses. For vision, the triad is 'the seen, the seer, and the seeing.' For hearing, it is 'the heard, the hearer, and the hearing.' In the presence of Sai, this separation collapses. The devotee's experience of Sai becomes so all-encompassing that their individual self as the 'seer' or 'hearer' merges with the act of perception and the object of perception, which is Sai himself. This results in a state of non-duality where only the 'ocean of mercy, King Sai' remains, erasing any sense of separation.