Alexander cried when Anaxarchus talked about the number of worlds beyond the stars. He explained his tears: ´The are so many worlds, and I have not yet conquered even one.´. Alexander became king of Macedonia 336 years before the birth of Christ, at the age of twenty. Whithn ten years, he was the ruler of the biggest empire that the world had ever seen. His lands stretched from Greece in the west to India the east, covering nearly two million square kilometres.
