Philo Judaeus De Mutatione Nominum 144

[144] and what she means by, "She who had many children," is the mind, which being pregnant of mixed and promiscuous reasonings, from all quarters confused together, by reason of the multitudes which crowd around her, and of the disorder which they cause, brings forth incurable evils; and by "she who was barren," she means that mind which had never received any mortal seed, as if it were productive of offspring, but has avoided and shunned all association and all connection with the wicked, and clings to the seventh, and to the most peaceful numbers in accordance with it, for it deserves to be pregnant of it, and to be called its mother.