Once on a time the uncreate and eternal Lord of all creatures, assuming the form of a golden Swan, passed through the three worlds till in course of his ramblings he came upon the Sadhyas.
हंसो भूत्वाथ सौवर्णस्त्वजो नित्यः प्रजापतिः। स वै पर्येति लोकांस्त्रीनथ साध्यानुपागमत्॥