“Jayne: [the three of them are playing Chinese checkers; to Mal] Your move. [Mal jumps four marbles] Zoë: That's a bold move. Mal: I live on the edge. [Zoe jumps six of his marbles] Jayne: Nice work, dumbass. Mal: [as Zoe chuckles] I've given some thought to moving off the edge. Not an ideal location…”
— Tim Minear, Joss Whedon, Jayne Cobb, Adam Baldwin, imdb.com