These lines appear in episode 75 of the "One Piece" anime. In this episode, Luffy and Robin explore the archaeologist Gura Raman Island together. During this period, Robin expresses to Luffy her determination to protect herself as an archaeologist, and Luffy also expresses his desire to become the best archaeologist. He is a strong monster and wants to make his reputation famous all over the world. At the same time, these lines also appear in the comics, appearing in Chapter 127 of the comics.