IX. Pictorial Representations as a Necessary Educational Tool for Mental Training

On the other hand, another number is called the number of revelation. You can easily imagine which number is called the number of revelation. If you look at anything in the world, it must always reveal itself in a duality. As we cannot perceive light without darkness, so we always encounter an attenuated or opposite aspect of every real concept. Light and darkness, good and evil, and so on. Duality reigns in all that is revealed. Therefore, the number two is the number of revelation. Opposites are only united in the realm of the occult, which lies beneath the revealed. Therefore, the number one is the number of unity. Evolution and involution are not contradictions, because they would always unfold in the same way without the third - from germ to plant and from plant to germ. Only in connection with the third, creation out of nothing, does the new arise, which is expressed by the number three.