Answer:
“The wall. Reds, greens, figures outlined in black. Swirls of purple and orange. Storms of blues and yellows. It was something.”
Explanation:
This is found in paragraph 31, and implies that you can't really know who someone is until you spend sometime with him/her. So do not judge people or assume to understand them before you get to know them. Most often, judging a book by its cover is a wrong attitude.