On a subconscious level, everyone senses that something is not right in the world. This is not the world that the Creator envisioned when He created it. This is not the perfection of the world. We all know that when Moshiach comes the world will reach its true level of perfection. The fact that Moshiach is not here yet creates anxiety, but in reality, that anxiety is the only healthy form of anxiety to have.