Analyze the following tweet to determine the level of anger expressed. The levels are: 0: no anger can be inferred, 1: low amount of anger can be inferred, 2: moderate amount of anger can be inferred, 3: high amount of anger can be inferred.
Tweet: Harden not your heart, as in the provocation, and as in the day of temptation in the wilderness: - Psalm 95:8 KJV