What drew Eva and me together was our shared sense of imagination. Hers was formed from rich materials mine from poor; hers developed over endless hours in the exotic garden kingdom she inhabited with her sisters, mine over house alone. But the end result was the same, and each recognized it in the other.
-- Lily (Chapter II / Section 1, Part 1)

Importance: Both Eva and Lily had naturally creative instincts, yet how these instincts were nurtured came from diverse outlets. Lily was raised in a modest, small home, where her parents worked and worried about providing for their family. Eva, on the other hand, had boundless access to space, land, artistic resources, and freedom.

An artist is someone who sees the structures of order and recognizes them as arbitrary,’ Evan said to Ugo . . . ‘Does he really see through the system though? He understands the structures. But does he realize that they are arbitrary? Not enough to imagine an...
-- Evan and Ugo (Chapter IV / Section 1, Part 1)