After all the luster has faded, he is still calm, unmoved by the prosperity, and dances only for tranquility! Next sentence

Wash away the glitz and still feel at ease, not be moved by vanity, just live indifferent to fame and fortune. The meaning is that despite experiencing the glitz and hustle and bustle of the world, the heart still remains calm and peaceful, not disturbed by the bustling outside world, and only pursues inner peace and freedom. It expresses an attitude and pursuit of transcending worldly chaos and adhering to inner peace.