Another time some Christian missionaries came to visit the Somdet. One of the missionary strategies in those days was to show off their knowledge of science so as to dazzle the heathens, win their respect, and possibly win converts. With Somdet Toh so closely associated with the king, perhaps they thought that if they could convert him, the king might be converted as well. So they discussed various scientific topics with him, and finally touched on the fact that they had proof that the world was round. The Somdet, instead of being surprised, said, "I know. In fact, I can show you where the center of the world is." This surprised the missionaries, so they asked him to show them. He got up, took his staff, went out in front of his hut, and planted the staff firmly on the ground, saying, "Right here.