Rejection of Materialism

Doctor Dolittle repeatedly prioritizes the well-being of his animal friends over financial gain, selling his possessions and living in poverty rather than abandoning his pets, and later refusing to sell the pushmi-pullyu for profit.

Doctor Dolittle prioritizes his animals over money and social standing, selling possessions to care for them.

The Doctor dismisses money as a nuisance, valuing happiness and the company of his animal family over wealth.

Despite becoming rich, the Doctor calls money 'a terrible nuisance' and only values it for ending worry.