Pride

To Big For Your Britches
A dangerous place to be in life is when we become "all that" and pride creeps in.  It was King Uzziah who had sought the Lord and had been strengthened by the hand of the Lord that allowed pride to override.  Pride certainly does come before the fall.  One of the things God hates is a proud heart.  Pride was the very thing that drew Lucifer to his fate (Isa. 14:12ff) 
  II Chronicles 26:16,19,21  But when he became strong, his heart was so proud that he acted corruptly, and he was unfaithful to the Lord his God, for he entered the temple of the Lord to burn incense on the altar of incense. But Uzziah, with a censer in his hand for burning incense, was enraged; and while he was enraged with the priests, the leprosy broke out on his forehead before the priests in the house of the Lord , beside the altar of incense. King Uzziah was a leper to the day of his death; and he lived in a separate house, being a leper, for he was cut off from the house of the Lord . And Jotham his son was over the king's house judging the people of the land.