He was outspoken in his opposition and concerns with regards to the decision reached at the Gozen Kaigi conference of September 6, 1941 that war with the United States was unavoidable.
Bunlardan en bilineni 6 Eylül 1941 günü Gozen Kaigi Konferansında ABD ile savaşın kaçınılmaz olduğu kararına muhalefet etmesidir.