我一直更喜欢研究具体问题而非抽象理论。

The truth is, if you asked me to choose between winning the Tour de France and cancer, I would choose cancer. Odd as it sounds, I would rather have the title of cancer survivor than winner of the Tour, because of what it has done for me as a human being, a man, a husband, a son, and a father.

"Poverty is not just a lack of money; it's a lack of hope."

每首歌都讲述一个故事。