Mercy isn't learned, it either lives in the bones or it doesn't.
-- Robin (Six)

Importance: This quote shows readers that Robin has mercy deep within him. He may seem like he does not have mercy for those who are weaker than him but in reality, he knows what true mercy is.

There's no such thing as good and evil. There's just good and... disappointing. Everyone starts off good, you know, until they choose to disappoint.
-- Guy of Gisbourne (Seven )

Importance: This quote illustrates one of the most prevalent themes throughout the novel and how no person is truly evil but they make choices that will disappoint others. While characters may think the others are evil, in reality, their choices have just disappointed each other.

By justice, what we should do is take back what they've stolen. But by all rational means, we stole it first with these ridiculous taxes! They did not start this. We did. Or rather...
-- Roger de Lacy (Thirteen)