学得越多，知道得越多。知道得越多，忘得越多。忘得越多，知道得越少。那何必学习呢？
You can't go back and change the beginning, but you can start where you are and change the ending.
A hundred times every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving...
他们产生在这个人群中，但远远超出了他们那一类，大大高出了他们那一群。自有人类以来，没有比孔子更伟大的人了。
我们要加强国际合作，共同应对能源安全和气候变化的挑战。
Those who dream by day are cognizant of many things which escape those who dream only by night.