Why is it important for Christians to trust in God's grace?

God's grace is the unearned favor we receive from Him, which is vital for our salvation. It is not by our works but by His grace that we are called and justified. This grace upholds us through trials and tribulations, as demonstrated by the disciples in the storm. Recognizing that our salvation and daily sustenance depend on His grace provides a firm foundation for our faith. We can face life’s challenges with confidence, knowing that God's grace is sufficient for us and His strength is made perfect in our weakness.