They were invented to preside over all parts of the universe; over the passions, and vicissitudes of life. […] Janus opened the doors of life to infants. […] Philosophers considered this divinity as the spirit of heat, which produces plants, and gives them life. […] They carefully watched over their voyage of life, attending them from their cradles to their graves. […] This was successfully done by Œdipus, who replied, “ He walks on his hands and feet when young, or in the morning of life; at noon of life, he walks erect on two feet; and in the evening of his days, he supports his infirmities with a stick.”