I think we must quote whenever we feel that the allusion is interesting or helpful or amusing.
“I really don't know how to be anyone else, and whenever I try to be anyone else, I fail miserably. Or I disappoint myself. It doesn't build my self-esteem, and it doesn't help me grow me at all.”
“I am deeply Catholic and always will be, but I'm no longer a member of the church. I left in 2003 because of the sex abuse scandal.”