In 2 sentences each

In "Why, You Reckon?" what argument does the other man say to persuade the narrator to team up with him?
What lesson do you think the narrator learned from his experience with the other man and Edward?

The other man argues that by teaming up, they can combine their skills and resources to seize opportunities and make a fortune. The narrator learns the importance of trusting one's instincts, as his initial doubts about the other man and his plan were proven valid.