Parable: The highest skill

One day the old Teacher of Chinese martial arts student came the Europeans and said,
- Teacher, I'm a national champion in Boxing and the French fight, what else you could teach me?
The old master was silent for a moment, smiled and said:
- Imagine that, walking around the city, you accidentally wander into the street, where several thugs await, dreams to Rob you and break your ribs. Now, I'll teach you not to walk on such streets.