Let it be distinctly understood that on the degree of organic development depends whether they have reached our height of perfection of nervous development, or the development of a substance capable of performing functions similar to the brain substance animals are endowed with on this earth, with physiological action the same or similar--whether undergoing gradual changes, and accumulating experience, they may have arrived at that degree of perfection to be capable of thinking and reflecting, may have acquired understanding of a nature possessing all the fear, wonder, and ignorance of certain states of nervous development, where the ideas are just forming and imagination barely assuming form. They may, I say, have begun evolving their gods, or images representing the same, or may have reached that state of perfection that every creature is endowed with such powers, understanding, and reasoning, acquired by millions of years of training and education, that they constitute gods in themselves. Or the creatures inhabiting these planets may be in a condition like that of creatures many, many ages past upon earth--may have no knowledge of gods or God, but are undergoing the necessary evolutionary changes that will ultimately bring them to that happy elysium, when they will be capable to produce their God or gods, as we have done on this earth. Why is it not possible that a higher order of beings inhabiting Saturn are at this moment employing instruments in order to ascertain the constitution and condition of this terrestrial globe, speculating on the probability whether this earth is inhabited or not? They may have positive knowledge that this planet has an atmosphere several hundred miles in depth. They may know its size, diameter, its distance from the sun, and that this planet revolves in an ellipse as the planet Saturn does. They may also know that the elements are of the same nature; and that there are mountains, seas, an equator, a north and a south pole, but only one moon. Looking at this planet as a star of this solar system, of perhaps the third or the fourth magnitude, nothing compared with their own, either in size, moons, belts, or other important features, these higher organized beings on Saturn may be able to behold worlds beyond themselves far more vast than their own, and regard this planet, Venus, Mercury, etc., as very insignificant affairs. Why may they not have appliances, modes of travel or communication, as far removed in intelligence from our highest order of beings, as the difference between a frog and the pope?