In this scene Bichir's character, an undocumented Los Angeles gardener names Carlos Galindo, tells his son in so many words that he's the reason why he does what he does. And as Zambrano pointed out, it's a familiar conversation that resonates for children of immigrants, regardless of where their parents came from or how they arrived. Galindo says:
"You are the most important thing in this world to me, mijo. I wanted you to be able to be anything you wanted to be. That would make me feel worthy, if you became somebody."
Pressure? Yes, lots of that. But his moving performance brings back so many other emotions, let alone memories. Thoughts, anyone? Here's the clip again: