He is the guardian deity of gates, on which account he is commonly represented with two heads, because every door looks two ways. […] Here the Scorpion extended his two great arms, with his tail and crooked claws stretching over two signs of the zodiac. […] The Tyanean shepherd still shows the two trees, standing side by side, made out of the two good old people. […] Here are two epigrams which treat it in different ways. […] They had two children, a boy and a girl.