In Lyra’s heart, revulsion struggled with compassion, and compassion won. - Philip Pullman

"What is the world of the spirits? It is nothing I know about. I don't know what spirit is."
"Spirit is what matter does."

Both of them sat silent on the moss-covered rock in the slant of sunlight through the old pines and thought how many tiny chances had conspired to bring them to this place. Each of those chances might have gone a different way.

She found out that having something to do prevented you from feeling seasick, and that even a job like scrubbing a deck could be satisfying, if it was done in a seamanlike way. She was very taken with this notion, and later on she folded the blankets on her bunk in a seamanlike way, and put her possessions in the closet in a seamanlike way, and used 'stow' instead of 'tidy' for the process of doing so. After two days at sea, Lyra decided that this was the life for her.