On "busy"ness.... Paraphrases from the last workshop meeting:
"I used to feel guilty constantly whenever I was doing something that wasn't my dissertation. Like, I couldn't enjoy going to a movie because of the guilt that I wasn't writing. I mean, it's $10, lost time. Well, I've since decided, screw guilt, go to the movies!"
On getting / not getting job interviews: "Sometimes, luck matters."
On the annoying people in your program who always seem to have time for every meeting, every event, every lecture: "Ever notice they're doing everything but the dissertation?"
"It's okay to quit everything to finish the dissertation."