Why is believing in the record of God's Son important for Christians?

For Christians, believing in the record God gave of His Son is crucial because it represents the foundation of their faith. According to 1 John 5:10, to not believe God's record is to call Him a liar, which carries serious implications regarding one's relationship with God. This belief not only affirms God's character but also confirms the promise of eternal life given solely through Jesus Christ. Therefore, embracing this truth is essential to living in accordance with God's will and securing one's place in His everlasting kingdom.