Don’t worry, there will be no friends in the future. No one in the world will know you.
The poem "Farewell Dong Da" expresses the protagonist's determination and self-confidence. The first half of the sentence "Don't worry about having no friends in the future" means that despite facing difficulties, the protagonist is not worried about not having friends and supporters. The second half of the sentence "No one in the world knows you" emphasizes that the protagonist's reputation and prestige are widely known and known to everyone. This poem encourages the protagonist to strengthen his faith and return to the world to achieve his goal of revenge.