To practice means to perform, in the face of all obstacles some act of vision, of faith, of desire. Practice is a means of inviting the perfection desired.
Bio: Aratus was a Greek didactic poet. His major extant work is his hexameter poem Phaenomena, the first half of which is a verse setting of a lost work of the same name by Eudoxus of Cnidus. It describes the constellations and other celestial phenomena.