Moving in space, the atoms originally were individual units, but inevitable they began to collide with each other, and in cases where their shapes were such as to permit them to interlock, they began to form clusters. Water, air, fire, and earth, these are simply different clusters of the changeless atoms.
People sometimes rationalize their greed by saying that it is all for the good of their children but this is nothing but an excuse they use to make their despicable actions appear respectable and praiseworthy.