In what is one of the most profound sections of the Zohar, Rabbi Elazar asks his father Rabbi Shimon to explain a statement made by the great sage Rabbi Akiva. The actual statement reads: "When you reach the pure marble stones, do not say 'water, water', or you may endanger yourselves." Couched in metaphor and concealed in cryptic language, this statement delves into many complex spiritual truths. The most important of these is the fact that all the evil we witness with our own eyes is really an illusion. If we accept and believe in this illusion, it becomes part of our reality. Hidden within these ideas are mysteries so deep and great that only a few righteous souls in every generation can truly grasp them. In our everyday lives, these concepts help us differentiate reality from illusion.