(19) What is the meaning of the statement, she had an Egyptian handmaid whose name was Hagar? (#Ge 16:1). Hagar is interpreted travelling, and she is the servant of a more perfect nature, being by nature an Egyptian less naturally; for the study of encyclical learning loves an abundance of knowledge, and abundant knowledge is, as it were, the handmaid of virtue, since the whole course and connection of sciences and arts is subservient to his use who is able to profit by their acquisition so as to attain to virtue, for virtue has the soul for its abode; but the course of arts and sciences stands in need of bodily instruments. But the body is symbolically Egypt; therefore the sacred writer here properly asserts the likeness of encyclical knowledge to Egypt. Nevertheless he has also given it a name by reason of its travelling abroad, since sophistry is a foreign thing, unconnected with the acquisition of that wisdom which alone is native, and which alone is necessary, which is the mistress of intermediate wisdom, and which conducts itself in a beautiful course through the guidance of encyclical studies.