7617. And he did not let the sons of Israel go. That this signifies that they did not leave them, is evident from the signification of "to let go," as being to leave (as frequently above); and from the signification of "the sons of Israel," as being those who were of the spiritual church whom they were infesting (see n. 6426, 6637, 6862, 6868, 7035, 7062, 7198, 7201, 7215, 7223).