502. Those three churches - Man, Seth, and Enosh - constitute the Most Ancient Church. Nevertheless they had different degrees of perfection as regards perception. The perceptivity found in the first of these Churches everywhere grew less in those that followed until it became something rather general, in the way mentioned above concerning fruit or seed, or concerning the brain. Perfection consists in an ability to perceive very clearly, and is diminished when perception is less clear and more general. At that point vaguer perception takes the place of clearer and so starts to disappear.