Verse 13

अप्रबुद्धमतीनां हि एता बलविभीषिकाः ।मातृमोदकवत् सर्वं प्रवृत्त्यर्थं उदाहृतम्

In plain words

For these are bogeys for children, for those whose understanding has not awakened. All of it is told like a mother’s sweet, to set them going.