"The Lost World," written by Arthur Conan Doyle, features a dialogue where one character expresses concern about another's eagerness to risk their life. This exchange highlights themes of courage and the value of life, suggesting that the character's anxiety stems from a deep desire to prove their existence and worth.

The quote captures a struggle between the fear of death and the pursuit of purpose. It implies that the character believes in the necessity of taking risks to validate their life, reflecting a broader human experience of seeking meaning in the face of danger.