"Schiller wrote many philosophical papers on ethics and aesthetics. He synthesized the thought of Immanuel Kant with the thought of the German idealist philosopher, Karl Leonhard Reinhold. He elaborated upon Christoph Martin Wieland's concept of die schöne Seele (the beautiful soul), a human being whose emotions have been educated by reason, so that Pflicht und Neigung (duty and inclination) are no longer in conflict with one another; thus beauty, for Schiller, is not merely an aesthetic experience, but a moral one as well: the Good is the Beautiful. The link between morality and aesthetics also occurs in Schiller's controversial poem, "Die Götter Griechenlandes" (The Gods of Greece). The "gods" in Schiller's poem are thought by modern scholars to represent moral and aesthetic values, which Schiller tied to Paganism and an idea of enchanted nature.[24] In this respect, Schiller's aesthetic doctrine shows the influence of Christian theosophy.[25]
There is general consensus among scholars that it makes sense to think of Schiller as a liberal,[26][27][28] and he is frequently cited as a cosmopolitan thinker.[29][30][31] Schiller's philosophical work was particularly concerned with the question of human freedom, a preoccupation which also guided his historical research, such as on the Thirty Years' War and the Dutch Revolt, and then found its way as well into his dramas: the Wallenstein trilogy concerns the Thirty Years' War, while Don Carlos addresses the revolt of the Netherlands against Spain. Schiller wrote two important essays on the question of the sublime (das Erhabene), entitled "Vom Erhabenen" and "Über das Erhabene"; these essays address one aspect of human freedom—the ability to defy one's animal instincts, such as the drive for self-preservation, when, for example, someone willingly sacrifices themselves for conceptual ideals."
in https://en.wikipedia.org/wiki/Friedrich_Schiller
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References
https://www.colorado.edu/history/sites/default/files/attached-files...
https://muse.jhu.edu/article/515850
https://www.rep.routledge.com/articles/thematic/the-bildung-traditi...
