The story of the development of iPS cells today is similar. Even if the principle by which a certain illness may be cured exists in the universe, without a doctor to discover it and create medicine accordingly, sufferers cannot be saved.
Shakyamuni Buddha taught, "Life is suffering," and Master Shinran expressed this as, "Life is like an ocean which is difficult to cross." Indeed our lives are a succession of difficulties, distress, and disasters. If you are happy right now, how long will it last?