Based on the given tweet, determine the level of sadness the author is experiencing. Choose from the following options: 0: no sadness can be inferred, 1: low amount of sadness can be inferred, 2: moderate amount of sadness can be inferred, 3: high amount of sadness can be inferred.
Tweet: Happiness is always there. You just have to choose to see it. There's no point dwelling in the dark and ignoring the light of the stars.
0: no sadness can be inferred