"El robado que sonríe le roba algo al ladrón."

Simplified Meaning:

When someone has something taken away from them but still manages to smile, they win in a different way. Think about a situation where a bully tries to make someone sad by stealing their lunch money. If the person who lost the money stays cheerful and doesn’t show that they are hurt, the bully doesn't get the satisfaction they wanted. By staying positive, the person who was wronged shows strength and takes away some of the bully's power. This idea can be applied in real life by remaining calm and positive even when things go wrong, which can make those who aim to harm us feel less powerful. It’s a way to keep control over our emotions and reactions, making us stronger in difficult situations.