This is similar to the Bereans mentioned in Acts 17. The Bereans checked out everything the apostle Paul said. They searched the Scriptures for themselves . Well, as a backdrop, most people couldn't tell you what any particular book of the Bible is about chapter by chapter . After they've finished every chapter in that book, they can easily see how those chapters come together in segments of topics.
Many people apply Scripture without first understanding it.
It's just important that we love one another. Well, of course we must love one another. But if I truly love you, I'm not going to prostitute the Word of God, or lead you astray doctrinally. I've got to know what Scripture says. That's what doctrine is all about.