Yosuke MATSUOKA, who later became the president of the South Manchuria Railways Company, shouted out loud saying, 'it is I who succeeded the spirit of Shinpei GOTO,' when he visited Soviet Union for signing the Soviet-Japanese Neutrality Pact, even though he knew that the conversation was listened in by the Soviet side.
後の満鉄総裁・松岡洋右が日ソ中立条約締結に訪ソした際、「後藤新平の精神を受け継ぐものは自分である」とソ連側から盗聴されていることを知りながらわざと大声で叫んだとされる。