The person who would most likely not become too intense in his life based on the lesson is b. Socrates.
The sentence that best supports this answer is: "He believed that wisdom comes from questioning and examining one's beliefs and that it is better to live a simple life focused on moral virtue rather than pursuing power or wealth." This sentence suggests that Socrates prioritized self-reflection and moral virtue over intense pursuits of power or wealth, indicating that he would not become too intense in his life.