
658 HISTORY AND NATURE IN TOKUGAWA THOUGHT
eighteenth century, was the idealism of his younger contemporary,
Oshio Heihachiro.
59
In an equally radical fashion, he rejected the
supremacy of rational principle. In contrast with Banto's polemic
against dreams and irrational thinking of all kinds, Oshio attacked
reason as the source of deception. A low-ranking bakufu official in
Osaka who studied at the same merchant academy that Banto had,
Oshio shaped an idealistic philosophy of action that denounced the
epistemology of rational observation as having failed to address the
problem of action against perceived injustice. The very claim to objec-
tivity, Oshio lectured, was the source of distinctions on which human
prejudices rested, so that the entire discourse on history and nature
was useless as a moral resource for action in the present. While agree-
ing with his friend Rai San'yo that received history revealed a pattern
of disloyalty and betrayal, he did not find in the writing of history the
resolution to the problem of action against that history.
Convinced, then, that the corruptions of received history could not
be rectified through observing nature or studying that history
itself,
Oshio turned his philosophy into a moral theory of active resistance
and revolt. He called this radicalism the way of truthfulness. Earlier,
Tominaga Nakamoto had used this ethical concept of truthfulness to
indicate, from his historicist stance, action that was reasonable, mean-
ing accurate and fair, without reference to classical language and text.
And Ishida Baigan used this to teach commoners about their inner
spiritual worth, regardless of their function or status in life. Oshio
transformed it to mean action against received history. Whereas
Nakamoto advised men to ignore the past as unreliable, and Baigan, to
select from the various great religious traditions, Oshio called on them
to attack the past as a corrupt present.
Oshio's theory of action, therefore, called for the anarchic leveling
of the present as morally unacceptable and recommended directly
saving the people. Unlike Ando Shoeki, who urged a withdrawal to the
natural community at the periphery of the nation, Oshio revolted
against the public order in his shocking uprising in Osaka in 1837.
Expecting the beleaguered peasants in the area to respond in
a
populist
revolt, Oshio in fact met defeat in a tragic and violent end, one to
which Rai San'yo had anticipated his philosophy would take him. Yet
with Oshio the possibility of revolt was forcefully introduced in the
59 Miyagi Kimiko, Oshio Heihachiro (Tokyo: Asahi shimbunsha, 1977); Miyagi Kimiko, ed.,
Oshio Chusai, vol. 27 of Nihon no meicho (Tokyo: Chud koronsha, 1978); and my "Oshio
Heihachiro (1793-1837)" in Albert Craig and Donald Shively, eds., Personality in Japanese
History (Berkeley and Los Angeles: University of California Press, 1970), pp. 155-79.
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