Mantra 4

अथ यदि स्वसृलोककामो भवति संकल्पादेवास्य स्वसारः समुत्तिष्ठन्ति तेन स्वसृलोकेन सम्पन्नो महीयते ॥ ८.२.४ ॥

In plain words

And if he desires the world of the sisters, then by his mere resolve the sisters rise up; and gaining that world of the sisters he is magnified.