Based on the given tweet, determine the level of joy the author is experiencing. Choose from the following options: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.
Tweet: You dont have to feel grateful to be grateful, for it is written  ' all things work together for good'  for those who love God. #cheerful
2: moderate amount of joy can be inferred