How do we know that the Scriptures are important for Christians?

In 1 Thessalonians 5:27, Paul charges the church to have this epistle read to all the holy brethren, highlighting the paramount importance of Scripture in the life of the church. By reading and understanding the teachings contained in the Scriptures, believers can grow in grace and knowledge of the Lord Jesus Christ. The epistles of the Apostle Paul and others provide essential instructions and doctrinal foundations that guide the church in their faith. This practice ensures that the truths of Scripture are disseminated and that the body of Christ remains rooted in sound doctrine and unified in purpose.