Office Admin: Maybe I should go get campus security
Cabe Gallo: Feel free if you want, but my badge is bigger.
Walter accesses code on the sick girl's laptop to trace the source of the virus - aside from the fact that the code comes straight up a fraction of a second after his hands even touch the keyboard, the code displayed in the black window is for a set of traffic lights, with lines like "Walk/Dont_Walk" and "Green_Arrow/Yellow_Slow."
Robert Patrick complains about the rise of the machines and asks who is that gonna be good for? This is an homage to his role in the Terminator 2 Movie as the T-1000.