Final answer:
Lifelong reading is important because knowledge evolves and what is learned in college may become obsolete within fifteen years.
Step-by-step explanation:
Paul is not convinced that lifelong reading is important. However, it is important to note that within fifteen years, a significant percentage of what he learned in college would be obsolete. This is because knowledge and information constantly evolve, especially in fields like technology, science, and medicine.
Therefore, lifelong reading and continuous learning are crucial for staying updated and knowledgeable throughout one's life.