Everything that springs up by nature has to be refined, and in its fulfillment it has to become perfect. From childhood there is a self-asserting tendency in human beings. In the nature of the child the "I" is most pronounced, and of everything he possesses he says "my." If this is not changed, if the same attitude persists when that child grows older, he becomes hard to those around him, and this I and what he calls "my" cause difficulties for them all.