A reading lens over the Bhagavatam, not a passage of it
Devotion as the highest dharma
भक्ति
The Bhagavatam's own thesis (1.2.6): the highest dharma is devotion with no motive, which nothing can interrupt.
Where the text shows it
The sages' questions at Naimisharanya — Skandha 1, adhyayas 1-3 — Gathered for a thousand-year sacrifice, the sages ask Suta one question: what is the single good that serves everyone?
Vyasa's unrest and Narada's story — Skandha 1, adhyayas 4-6 — The man who divided the Vedas and wrote the Mahabharata sits by the Sarasvati unsatisfied, until Narada tells him why.
The four verses given to Brahma — Skandha 2, adhyaya 9 — Brahma, seated on a lotus with no idea how to create, hears 'tapa' twice, does penance, and is given the whole book in four verses.
Kapila teaches his mother — Skandha 3, adhyayas 21-33 — A mother whose husband has gone to the forest asks her own son how to be free, and he answers with Sankhya and devotion.
Dhruva's tapas — Skandha 4, adhyayas 8-12 — A five-year-old turned away from his father's lap goes into the forest to find a seat no one can take from him.
Prithu milks the earth — Skandha 4, adhyayas 15-23 — Born from a dead tyrant's arm, the first consecrated king chases the earth as a cow until she agrees to give her milk.
Vritra's prayer — Skandha 6, adhyayas 9-12 — The demon Indra must kill turns out to be a devotee, and prays on the battlefield more beautifully than the god who kills him.
Prahlada and his father — Skandha 7, adhyayas 3-7 — A boy asked what the best thing he learned at school is answers 'devotion to Vishnu' — to the father who wants Vishnu dead.
Ambarisha and Durvasa — Skandha 9, adhyayas 4-5 — A king breaks his fast with a sip of water, a sage takes offence, and the Lord's own discus chases the sage across the worlds.
Tied with a rope — Skandha 10, adhyayas 9-10 — Every rope Yashoda ties is two fingers short — until she is exhausted, and the child lets himself be bound.
The Rasa dance — Skandha 10, adhyayas 29-33 — On an autumn night the flute calls and the gopis leave everything; then Krishna vanishes, and their song of longing is the Gopi Gita.
Akrura, Mathura and Kamsa — Skandha 10, adhyayas 38-44 — The man sent to bring Krishna to his death is a devotee, and the journey to Mathura ends with Kamsa's fall.
Rukmini's letter — Skandha 10, adhyayas 52-54 — A princess about to be married against her will sends a brahmana with a letter: come and take me, or I give up my life.
The poor brahmana friend — Skandha 10, adhyayas 80-81 — A starving schoolfriend visits the king of Dvaraka with a cloth of flattened rice, too ashamed to ask for anything.
The nine yogis and King Nimi — Skandha 11, adhyayas 2-5 — Nine sages answer nine questions from a king: who a devotee is, what maya is, how to cross it, and what the Lord looks like in each age.
The Uddhava Gita — Skandha 11, adhyayas 6; 10-29 — Krishna's last and longest teaching, given to a friend who asks only to go with him when he leaves the world.
Who embodies it
Krishna — Not one avatar among many but 'the Lord himself' (1.3.28) — and the tenth book spends ninety chapters on his single life.
Narada — A wandering sage with a vina who turns up at every turning point — once a maidservant's son, now the teacher of teachers.
Devahuti — A princess who served her ascetic husband for years, then asked her own son the question of her life — and was freed by his answer.
Shiva — In the Bhagavatam the greatest of Vishnu's devotees: he drinks the world's poison and catches the Ganga in his hair.
Dhruva — A five-year-old hurt by his stepmother who went to the forest for a throne and was given the pole star instead.
Prithu — A king drawn out of a tyrant's body who made the earth level and fruitful — and gave the earth her name, Prithvi.
Vritra — The demon raised to destroy Indra, who on the battlefield prayed to be the servant of the Lord's servants.
Prahlada — A demon king's son who could not be killed by poison, fire, cliffs or elephants, and who asked for nothing when offered everything.
Ambarisha — A king who used every sense in service of the Lord, and was protected by the Sudarshana disc from a sage's fury.
Yashoda — The cowherd queen of Gokul who raised the Lord as a naughty child and was given what sages could not get: to bind him.
The gopis of Vraja — The cowherd women whose love for Krishna the Bhagavatam holds up as the highest devotion — and who taught the wise Uddhava.
Akrura — The uncle sent by Kamsa to lure Krishna to Mathura, who spent the whole journey longing to touch the dust of Krishna's feet.
Rukmini — A princess of Vidarbha who chose her own husband by letter, and became Krishna's chief queen in Dvaraka.
Sudama — Krishna's poor schoolfriend, unnamed in the Bhagavatam itself, who came to Dvaraka with a cloth of flattened rice.