自由的价值只有失去时才真正懂得。
做你自己,别人都已经有人做了。
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.
True innovation happens when we challenge the status quo without fear.
The true power of mathematics lies in its ability to reveal hidden patterns and structures in the chaos of the universe.
我不害怕站出来。每个人都来握住我的手。我们将一起走过这条路,穿越风暴。无论什么天气,寒冷或温暖。只想让你知道,你并不孤单。
乳制品生产的可持续性不是一种选择,而是对后代子孙的必要责任。