美好的生活是由爱所激发，由知识所指导的。

【释义】刑罚不可以频繁使用，使用得过于频繁，就会伤害百姓。

We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one which we intend to win, and the others, too.

海鲜的真正成本不仅仅是价格标签，而是对海洋生态系统的影响。

在这个行业里，传统和技术必须携手并进。

If you want to go fast, go alone; if you want to go far, go together.

——2006年在西雅图市演讲