 When the school was closed down in the same year he moved back to Longjing and attended the Gwangmyeong Institute.On December 27, 1941, aged 23, he graduated from Yonhi College, which later became Yonsei University.He had been writing poetry from time to time and chose 19 poems to publish in a collection he intended to call "Sky, Wind, Star, and Poem" (하늘과 바람과 별과 시), but he was unable to get it published.