Taur, the last man on Mars, muses on similarities of the inhabitants of Mars and the people of his planet Mars. Men have always pried at the locks that nature has set upon our deepest secrets seeking the power that was never intended for them and step by tedious step they came to the final awful knowledge to the very card of creation and of destruction. They had a weapon that will make them masters of all the planet . But why should they be masters of the world, why should any one people be the masters? Is it not written how good and how pleasant it is for brethren to dwell together in unity? Men said that. Cannot men practice it...?