In his Commentary on Genesis he said that "We indeed are not ignorant that the circuit of the heavens is finite, and that the earth, like a little globe, is placed in the centre."
在其《〈创世记〉注释》（Commentary on Genesis）一书中，他说道，“我们并不是不知天堂的环道是确定的，地球正如一个小球体位于中心”。