What is the highest good Tao Te Ching?

Could you please elaborate on the concept of the 'highest good' as it is presented in the Tao Te Ching? How does this philosophical idea relate to the teachings of the Taoist tradition, and what practical implications might it have for individuals seeking to live in harmony with the Tao? Additionally, are there any specific passages or chapters in the Tao Te Ching that particularly emphasize or explain this concept?