James appears to sum up all the truths of scripture with verses 16-18. These verses focuses on the Divine love and Knowledge of God's Sovereign Grace and how it is bestowed upon us. Christ is the good gift that has been brought forth from Heaven. Through Christ, we are brought into a new way of living. It is through our Heavenly Father's loving kindness and mercy that we experience a spiritual awakening and rebirth.
Genuine faith increases when we are tempted, resist the temptation, and endure. Our glory is eternal life through Jesus Christ. Genuine faith is also increased when we come to understand that God's divine gift is Love and Forgiveness. James speaks on how our temptations do not come from God. What comes from our Heavenly Father is the Light of Christ and all good things that motivate us to love God and others.