This saying translates to 'He who makes the law, makes the trap.' It is often used to express the notion that those who create rules are often the ones who also create ways to avoid or break them.
Examples
- Spanish: El político prometió combatir la corrupción, pero ya sabes, el que hace la ley hace la trampa.
- English: The politician promised to fight corruption, but you know, he who makes the law makes the trap.