We all feel this at times, when our ideas come together and form a wonderful pattern that would ‘work’. Writers sometimes shine as their works strike a chord in readers, and we have a grasp on reality.
Then the light moves on. Often it happens in adolescence based on where we live and under particular conditions, and the power of the pictures of reality formed are quite strong, and last a long time. But the light moves on, and we adjust, and search under new conditions and a new day.