fù / qīn / zài / xìn / mò / xiě / dào / lù / shàng / bǎo / zhòng / shàn / zì / zhēn / shè

父亲在信末写道：“路上保重，善自珍摄。”

At the end of the letter, his father wrote, “Take care on your journey and take good care of yourself.”