Some things just don’t mix—oil and water, metal in a microwave, gasoline on a fire. But what about the gospel? In a culture that prioritizes personal truth and blends religious ideas like a spiritual smoothie, this question is crucial: Is the gospel compatible with other religious systems? The Pharisees in Mark 2 wrestled with this very issue, questioning why Jesus didn’t conform to their traditions. Their concern? His disciples weren’t fasting like other devout Jews. But their real problem wasn’t about fasting—it was about control. They wanted to fit Jesus into their religious mold, but Jesus made it clear: He didn’t come to patch up their old system. He came to bring something entirely new.

Jesus responds with two illustrations. First, He points out that you can’t patch old clothes with unshrunk fabric—it’ll only make the tear worse. Then ...