What does the Bible say about the new commandment?

According to 1 John 2:7-8, the commandment of love is not new; it is rooted in the law, which calls us to love God and neighbor perfectly. However, Jesus expands this commandment by teaching that we should love one another as He has loved us (John 13:34). This love is specific to the community of believers and reflects the unique relationship that exists among those who are united in Christ. It emphasizes the transformation and grace that believers receive and is a mark of true discipleship.