Photo by Dominika Roseclay The second chapter of the Han-era text called the "Yellow Emperor's Simple Questions" discusses how one should live in the different seasons. The advice for Summer has a section that says,  "Go to rest late at night, and rise early. Never get enough of the sun. Let the mind have no anger. Stimulate beauty, and have your elegance perfected." It's the last sentence that I want to focus on in this article. Ancient and medieval commentators on this passage offer some insight into what it could mean to "stimulate beauty, and have your elegance perfected." [...]