Chapter 46 seems to place a high value on devotion. What does it say about the power and rewards of having true devotion to the Guru?

Indeed, Chapter 46 extols the greatness of devotion, defining loving devotion to the Guru as 'Dharma' itself. It states that if this devotion is performed with one's whole heart and soul, then Peace, Detachment, and Fame will always remain under the devotee's control. The chapter poses a rhetorical question: what could a person with such devotion possibly lack? It assures that whatever they desire in their heart, they will obtain without any effort. In a powerful statement on the supremacy of devotion, Chapter 46 claims that even the state of Brahman-realization serves such a devotee like a maid-servant, and liberation is not something they need to ask for.