당시 초등 교과서에 실린 일본 노래 「봄이 왔다」에서 모티프를 얻어 우리말로 된 시 「봄」을 썼다.
At that time, he wrote a poem, Spring, in Korean, taking the motif from the Japanese song Spring Has Come, which was published in an elementary textbook at that time.