Interpretation:
God descended from heaven in 1838 to the residence of the Nakayama family to save the world. There lived the instruments God used to start human beings. In the story of the Origin, God selected a fish and a sea snake to begin human beings. From the muddy ancient ocean, God selected the good qualities of other sea creature to add to these two parents. From heaven, God’s pure mind was added to the first parents. This is how human beings were started
Heaven's Truths, in Living the Joyous Life 