When you look out from my balcony you see a beautiful display of rolling hills, the blue waters of bay and full green treetops. It was a different sight this morning. When I woke up and looked outside all I could see was fog. It covered everything. Instead of the world extending endlessly, it stopped and was hidden by a wall of gray. Maybe the world isn't even there. If I walk into fog I will fall of the edge of the Earth and plummet for eternity.