Based on the tweet "Dont sink to the level of those who insult you. Rather, rise to the level of those who inspire you. Deliver result, not insult", 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.