The participants heard papers scientifically and theoretically explaining and proving the validity and vitality of the idea and theory of the self-development-first principle indicated by Kim Jong Un.

The speakers said that the principle is the revolutionary spirit to remarkably redouble one's strength by dint of the driving force and to hew out one's future by oneself.

They said that the principle regarded the Juche revolutionary idea of President Kim Il Sung and leader Kim Jong Il as its starting point and fundamentals.

They explained about the important requirements for pushing ahead with the building of a thriving socialist nation in reliance on self-development-first principle.

They expressed their determination to contribute to bringing earlier a final victory of the revolutionary cause of Juche by waging dynamic all-out offensive toward the Seventh Congress of the Workers' Party of Korea with the idea of the principle set forth by Kim Jong Un as their lifeline.

Present there were Ri Hye Jong, president of the Academy of Social Sciences, officials concerned, teachers, researches, lecturers and journalists in the fields of science, education, media and preservation of revolutionary sites and organs of training party officials.