The Seven

Ancient Greeks believed the number seven represented perfection and plenty. In Egypt, seven was the symbol of effectiveness and completeness. Christianity's Old Testament holds that there were seven days of creation. In Islam, there are seven heavens, seven layers of the earth, and seven hells. There are seven celestial objects visible to the naked eye, seven notes to the diatonic scale, and seven days in a week. And for travelers there are Seven Continents, Seven Seas, and Seven Wonders.