What is the paradox in Tao Te Ching?

I'm curious, can you explain the paradox present in the Tao Te Ching? It seems to me that the text advocates for both non-action and yet also emphasizes the importance of taking action in harmony with the natural Flow of things. How do these seemingly contradictory concepts coexist within the philosophy, and what insights does this paradox offer for those seeking to live in accordance with the Tao?