XXV. Man's Life in the Light of Occult Science
You know that a muscle becomes more plastic when it is used correctly. At this age, everything must be shaped plastically. The colors that are in the environment – be it red, blue, green and so on – all have a certain deep meaning for the development of the internal organs, as far as the physical organs are concerned; and many mistakes are made here. Because, as you know, there are many people who talk about what have been called nervous children, children who have a very restless nature. They believe that green, blue and dark colors should be introduced into the environment to calm them down. Others have very calm children and they believe that they should be dressed in light, red and white clothes. The opposite is true, because it is not the colors that affect these children. It depends on how these colors affect the children's inner being. For example, if you see a red spot on a black background, you will soon see that green lingers. This means that while you are looking at red, the inner organism perceives green. And so, when a child is excited and you bring red into its environment, red will not affect the child as you think it will. And it is precisely this that the child needs until the second dentition, that is, until the seventh year. Therefore, you have to dress a child who is restless in red clothes, while conversely, when a child is very calm, too calm, lethargic, green, blue, dark colors are needed.