"Never trust in the goodness of people's hearts. I assure you, I'm motivated entirely by self-interest and it was never my intent to mislead you into thinking otherwise." As bitter as Khan's voice had become, he kept careful control of both his grip and his pace. There was no reason for him to take his frustrations out on her, even unconsciously. Better to focus on the practicalities again. It was always better to concentrate on the concrete, the here and now. Anything else was dangerously distracting.

The next passages were much more narrow. "If you hold your free hand out you should be able to touch the wall. This is where the path gets a bit complex."