We've all had moments when we thought we understood something perfectly, only to discover we'd completely missed the point. Maybe it was assembling furniture without instructions, confident the picture on the box was enough—only to end up with a lopsided disaster held together with makeshift reinforcements. Or perhaps it was a relationship where we misread every signal, certain we understood what was happening until reality came crashing down.

The worst mistakes aren't always made by people who know nothing. Sometimes they're made by people who know just enough to be dangerous.

This is precisely where we find Peter in Mark chapter 8. He gets the answer right when everyone else is confused. He correctly identifies Jesus as the Messiah. But while Peter understands Jesus's identity, he completely misunderstands Jesus's mission. He sees e ...