"And it's wonderful that many of them have dreams and the chance to pursue them," he said. "But their dreams and plans now may not be the same as they are twenty, ten, or even five years from now. People and their interests can and do change over time, and some people change careers more than once over the course of their life. I doubt that anyone, myself included, has ever had their entire life planned out at fourteen, even if they think they do."