The Biglugs don't believe that Candide wasn't a Jesuit and plan to do evil things to Candide and Cacambo. However, Candide and Cacambo convince the guards that Candide was not a Jesuit. It was enough for Candide to convince the Biglugs that he was not a Jesuit by going to the border to see the guards. When Candide proves that he is not a Jesuit by going to the guards at the border, the Biglugs become very nice and help Candide and Cacambo travel to the end of their country. Candide felt that this was a sign of optimism in the world and proved that there was good in the world because the Biglugs helped them after finding out that they were not Jesuits, but that 'they had killed a Jesuit and hid in the Jesuit's clothes, or