This was a time when he wrote a large number of reflective essays during his old age, but, for ceramic works such as pots and plates, he produced them as if they had been created with a method of action painting by slamming the glaze with a brush against the rough surface of flexible shapes.
老境にいたり深い思慮を重ねた文章を多数残した時期だったが、壷や皿などの陶の作品は、荒々しい素地で用途にとらわれない自在な形状に、アクション・ペインティングのように釉薬を刷毛で打ちつけるような作品を残している。