He probably means, if you didn't come from a rich family and slim chance. Get knowledge, education, learning, more than live from day to day in a world full of uncertainties.
เช่นเดียวกับปรัชญาข้างต้น
When he had only a bowl of rice, he hugged a book instead of a blanket. Because knowledge felt like warmth.
He fed on words more than food, and though he was mocked at the time, those words grew into choices later. Knowledge didn't fill his stomach that day, but it nourished his future.