요천변의 노천에서 옹기 장사를 했던 부모님 중 어머니가 독실한 기독교 신자여서 그 영향을 많이 받았다는 것이 주변 인물들의 증언이다.
People around him testify that his mother was a sincere Christian, so he was greatly influenced by her who was engaged in pottery sales along the Yocheon River.