अथ योऽस्योदङ्सुषिः स समानस्तन्मनः स पर्जन्यस्तदेतत्कीर्तिश्च व्युष्टिश्चेत्युपासीत कीर्तिमान्व्युष्टिमान्भवति य एवं वेद ॥ ३.१३.४ ॥
In plain words
Its northern opening is the even breath, and that is the mind, and that is the rain-god. Let a man worship it as renown and beauty. He who knows this becomes renowned and beautiful.