What does Verne have his characters say and or do that reveals their attitude?

Verne reveals his characters' attitudes through their actions, dialogue, and reactions to various situations. For example, their enthusiasm for exploration and discovery can be demonstrated through their eagerness to embark on adventures and explore new places, while their determination and problem-solving skills can be shown through their actions in overcoming obstacles and challenges. Additionally, the characters' interactions with each other and the world around them often reflect their personalities and attitudes towards their surroundings.