As fire is generated from the contact of flint with iron, or from two sticks of wood when rubbed against each other, so are creatures created from combination of the (thirty) principles already named.
यथाऽऽदित्यान्मणेश्चापि वीरुद्भ्यश्चैव पावकः। जायन्त्येवं समुदयात् कलानामिव जन्तवः॥