"My rookie year, we won our first game on a last second shot," Johnson says in the spot. "I was so hyped. But the captain of my team said, 'take it easy rookie, it's a long season, it's a long road to the championship.' He was right. Winning comes from years of hard work and preparation."
It's worth noting that, as Ambinder's skeptical commenters point out, Johnson's team won the NBA Championship his rookie season. You can listen to the spot here.