Also see: Page 2 of 'What causes war?' (a story of the beginning of mankind)
We are all movie stars and the world is a great stage. We play roles life after life, sometimes as a husband, a wife, a minister or a queen and sometimes we play less desirable roles. And we play them unknowingly and ask ourselves why we have to play these roles, why such and such is on the throne and I am only a secretary. Those who are awakened know that the world is only a stage for us to learn, to fulfill our desires and needs, and to get closer to perfection.
Human beings are noble beings because we can practice spiritually, we can find our Buddha Nature, and we can become Buddha. When we have found God within and seen the inner heaven, then we can say human beings are the noblest.
Before we become a fully enlightened being, we must first become human. After we have become a good human, then we will become a fully enlightened being.