Quoting Macey (2019), quoting Foucault, quoting Nietzsche:

One thing is needful. – To ‘give style’ to one’s character – a great and rare art! It is practised by those who survey all the strengths and weaknesses that their nature has to offer and then fit them into an artistic plan until each appears as art and reason and even weaknesses delight the eye.

Nietzsche, Williams, Nauckhoff, & Del Caro (2001), p. 290

This is a generous and lively image of what art does when it is working. Art is not perfection.

Macey, D. (2019). The lives of Michel Foucault: A biography. Verso.
Nietzsche, F. W., Williams, B., Nauckhoff, J., & Del Caro, A. (2001). The gay science: with a prelude in German rhymes and an appendix of songs. Cambridge, U.K. ; New York: Cambridge University Press.