" Once outside, the detectives advanced up an escalator and to a floor with two elevators. One was labeled for the staff, and the other for guests. In the corner was a plain grey door which led up a staircase.

“Monsieur Leor…” Jean began. “Are you up for a challenge?”

“You want to run up the staircase.” Leor concluded, plainly. “Like schoolboys?”

“Ouais, monsieur,” Jean replied, with a silly grin. “You can consider it your preliminary training, if that helps your dignity. "

― Zechariah Barrett , Beyond Chivalry (The Detective Games #2)