Law of the Pampas (1939)
'Hopalong' Cassidy: [reacting to a knife that has been thrown at him by Slim] Where I come from, we don't like people that throw knives at men's backs.
'Hopalong' Cassidy: [after he knocks him down with a punch] That'll remind you not to do it again.
Don Fernando 'Ferdy' Maria Lopez Ramirez, aka 'El Melancolio': Don't call me Ferdy. The name is Fernando!