Nonetheless, it will come as no surprise to discover that the basic undercurrent running throughout all of his work is the idea of a "philosophy of emptiness" as expressed in his "Higekisei e no ishi" (The Will towards Tragedy), Goethe's "Piety," and the Kegon notion of "jiji muge" (the idea that everything in existence is interconnected and unobstructed).
しかし、その根源に一貫して横たわるキ－ワ－ドは「悲劇性への意志」、ゲ－テの「敬虔性」、華厳の事事無礙としての「空の哲学」が予測できる。