Oh ghod, I hadn't noticed at the time that he was asking for the 10 most salient lines of code. My brain just buzzed past that bit and assumed it was the 10 most salient code snippets.

Now I'm off thinking about what my 10 favourite lines of code might actually be, and picturing myself explaining them in the most self-important vocabulary I can muster. "You see, the bare return; statement is like the sound of one hand clapping...."