"En cada viaje en el que me he embarcado, he aprendido algo nuevo."

Simplified Meaning:

When someone says they have learned something new on every journey, it means that each experience teaches them valuable lessons. Imagine taking different trips to various places. On one trip, you might learn how to navigate a map; on another, you might understand how to communicate with people from different cultures. These travels are not just about getting to the destination, but also about the skills and knowledge gained along the way. Think about how a student learns different subjects in school; math, science, and literature all provide various types of wisdom. In a similar way, every journey a person takes, whether it's a new job, a new hobby, or simply meeting new people, helps them grow. Applying this idea in life means being open to new experiences and understanding that each one has the potential to teach us something useful.