Schweitzer, already 84 at the time, was so moved by Chen's enthusiasm that he replied with a letter of encouragement three or four pages long, and later wrote to Dr. Chen twice more in German.
那時已高齡八十四的史懷哲被五福醫生的熱情感動，回了封三、四頁的長信鼓勵他；前後以德文寫了三封信給陳五福。