Kim Jong Il's work published on July 26, Juche 85 (1996) indicates the idea that the Juche philosophy is an original one that has been developed and systemized with its intrinsic principles, and a revolutionary and popular one that truly serves the people in their struggle for independence.

It also indicates the tasks for studying and explaining the Juche philosophy as intended by the party and thoroughly applying it to the revolutionary practice.

Kim Jong Un's work published on July 26, Juche 101 (2012) deals with the essence of Kim Jong Il's patriotism and his noble career of loving the country and its people.

It also indicates the important issues arising in applying Kim Jong Il's patriotism.