Only by holding China's seeds tightly with their own hands can we stabilize China's rice bowl and achieve food security. Seed sources should be independent and controllable, and seed industry science and technology should be self-reliance and self-improvement. This is a major event of strategic significance. We should carry forward the spirit of the older generation of scientific and technological workers such as Yuan Longping, grind a sword in ten years, make contributions for a long time, and do a good job in this major event. (Xinhua News Agency)