In Berea, some people examined the Scriptures to see if what they were being taught by the Apostle Paul was in fact true. What a great example for Christians to follow when they encounter "new" teachings.
I often complain that our culture has turned music into a spectator sport. We pay a lot of money to see professional musicians and think that "the rest of us" aren't good enough to do it. Hogwash.
The men of Issachar were Israelites who understood the times so that they would know what Israel was to do. That's a great description of thoughtful Christians as well: people who understand the times in which they live so that they would know how they - as part of the Church - will respond.