During the meeting of Misters, you can see the paintings of the kings of Mexico during the second empire, Maximilian and Carlota.
At the end of the chapter and before credits, there is a sentence: Un señor nunca declara la guerra sin antes estar seguro de haberla ganado. Which means: A Mister never declares war without first being sure that he has won it (which is also an advice from the book Art of War by Sun-Tzu).
This is a quote from a fictional book "Matar Bien para Vivir Mejor" (kill well to live better) from an unknown (and also fake) author.
This is a quote from a fictional book "Matar Bien para Vivir Mejor" (kill well to live better) from an unknown (and also fake) author.
When Molina goes in to see Ana, you can see a poster on the wall with the Gentleman's guide to amputation.