Based on historical evidence, Yoshinobu TOKUGAWA of the Owari-Tokugawa family made clear that Lord Ieyasu's 'Goikun' (teachings), which includes the famous phrase of 'A person's life is as if going on a long road with a heavy burden on its back --- Consider that anger is an enemy,' had the following origin: First, in the Meiji period, Matsunosuke IKEDA, a shogun's former retainer having earned a 500 koku of rice crop, made documents with an autograph sign of 63-year-old Ieyasu, based on 'Hitono-imashime' (Admonitions), which had been said being Tokugawa's teachings, and then Deishu TAKAHASHI and others dedicated them to Tosho-gu shrines in various areas, including Nikko Tosho-gu Shrine.
「人の一生は重荷を負ふて遠き道をゆくがごとし…怒りは敵とおもへ」で有名な家康公の「御遺訓」は、明治時代に元500石取りの幕臣、池田松之介が徳川光圀の遺訓と言われる「人のいましめ」を元に家康63歳の自筆花押文書との体裁にしたものを高橋泥舟らが日光東照宮など各地の東照宮に収めたものであることを尾張徳川家の徳川義宣が考証した。