The opening quote is "It is not light that we need, but fire" It's part of a quote from Frederick Douglass (American Abolitionist, Lecturer, Author and Slave, 1817-1895), who said, "It is not light that we need, but fire; it is not the gentle shower, but thunder. We need the storm, the whirlwind, and the earthquake."
Painted twice the on the outside of the warehouse Nick and Chavez enter is "#1". This is episode 1 of season 5
The title of this episode comes from the film The Bourne Identity (2002)