They've traveled hundreds of years, and through many people to find you. Now, go make them your own.”
-- Lita (1 )

Importance: Petra has just expressed her worry that she cannot do justice to the stories she wants to tell, and this is Lita's response. Later, Petra does exactly this by crafting stories to fit her audience and their situation.

They're not meant to be identical; they're meant to complement one another. Differences make things beautiful as a whole.”
-- Robert (9 )

Importance: Robert is talking about the pieces of jasper he and Petra have found, which Robert uses to make a beautiful rosary. This also applies to people. When Petra awakes 400 years after this, she finds that the humans on her ship have tried to eliminate all differences, including differences in appearance. Later, Petra feels that she has created a family with four other children, though they are also very different.

I can tell immediately if a...
-- Petra (11 )