Notice how Jacob’s love for God changed his heart (2 Nephi 9:49). President Ezra Taft Benson said: “Why did God put the first commandment first? Because He knew that if we truly loved Him we would want to keep all of His other commandments … .
“When we put God first, all other things fall into their proper place or drop out of our lives. Our love of the Lord will govern the claims for our affection, the demands on our time, the interests we pursue, and the order of our priorities” (“The Great Commandment—Love the Lord,” 4).