One Piece Chapter 29, page 4: Slopes

Usopp points and bargains, saying, "I will give you the treasure, but you must retreat!!" The pirates are excited at first, but Jango calls Usopp an idiot. Jango declares, "Of course we're going to take the treasure! But, we don't have to retreat!" Usopp is horrified by Jango's ruthless logic, thinking, "That sly bastard!"