Science and technology are a propellant for building a thriving country, and the happiness of the people and the future of the country hinge on their development.

In this quote, Kim Jong-un emphasizes the critical role that science and technology play in the growth and prosperity of a nation. He suggests that these fields are the driving forces—propellants—behind the advancement of a country's economy, infrastructure, and overall well-being. By highlighting their importance, Kim implies that a nation cannot thrive without continued development in science and technology, as these sectors are essential for progress and innovation.

Kim also connects the development of science and technology directly to the happiness of the people and the future of the country. This suggests that technological and scientific advancements are not just abstract concepts, but are directly tied to improving the lives of citizens. From healthcare to education to economic opportunities, the advancements in these areas can provide solutions to everyday challenges, ultimately enhancing the standard of living and contributing to a better future for the population.

By stating that "the future of the country hinge on their development," Kim underscores the inseparable link between a country's long-term success and its investment in modernizing its scientific and technological capabilities. In this sense, the future of a nation is reliant on how well it fosters innovation and adapts to new technological realities, positioning itself on the cutting edge of global progress.

Ultimately, the quote reflects a belief in the power of science and technology as fundamental pillars for achieving national prosperity and social stability. It suggests that for a country to be competitive and sustainable in the modern world, its focus on innovation must be constant and deeply integrated into its developmental strategies.