T'oegye also compiled an anthology of his own letters, I Record for Self-Reflection, i aiming to bring Neo-Confucian principles into everyday life. After T'oegye's death, his followers edited further collections of his letters. Letters written by women, in the Korean alphabet, could have influenced Korean men, including scholar-officials, to compose spiral letters even when writing about serious, political topics (p. 67). [Extracted from the article]