Based on the tweet "“Let us not become weary in doing good, for at the proper time we will reap a harvest if we do not give up.”\nGalatians 6:9 NIV", categorize the level of sadness felt by the author. Select from the following: 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.