He was particularly feared that spread of the Copernican theory might destroy Buddhism itself; the theory was directly opposed to the universal order described by Buddhist scriptures, saying that Mt. Sumeru (in Buddhism - said to be the highest mountain rising in the center of the world) was the center of it.
特に天文学の地動説は仏教経典にある須弥山中心とする宇宙秩序に真っ向から反する考えであり、このような考えが広まれば仏教そのものが滅亡してしまうと考えた。