The Essence of Being a Ravenclaw

"What is Ravenclaw's most valuable treasure?"
"Wisdom."
"And in which direction should wisdom be used?"
"In any direction we desire. In our house, we can always find like-minded individuals. Companions are our second greatest treasure."
"Very good, exactly so. We are united because of our shared ideals. Now, apart from this, what is the next most important thing?"
"Of course, it’s sending certain other Ravenclaws to Azkaban."
"Precisely correct—this is who we Ravenclaws are."