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...pleasant as well as instructive way, speaks through the imagination Imagination (Einbildungskraft): In 18th-century psychology, this was the faculty that allowed the mind to visualize and process symbols before they were fully understood by logic. to the understanding Understanding (Verstand): The rational part of the mind that processes logic and facts.. — All the more I hope, with the publication of these pages, to be able to promise myself the satisfaction, and for the unknonwn? author The author of the main text remained anonymous, a common practice in the 18th century to avoid personal scrutiny or create an air of mystery., the gratitude of the public. Berlin, April 2nd, 1793.