Why is obeying God's commandments important for Christians?

Obeying God's commandments is not burdensome; rather, it is an expression of love and gratitude towards Him. As John 15 teaches, keeping His commandments allows us to abide in His love. It is a means through which our relationship with God is expressed and deepened. The act of obedience is not legalism but a heartfelt response to the gospel of grace where we recognize that we love because He first loved us (1 John 4:19). Furthermore, obedience also serves as a testimony to the world of our transformed lives through Christ, demonstrating the evidence of the new nature we possess as believers.