You can tell more about a person by what he says about others than you can by what others say about him.
Coal is not just a commodity, it's a commitment to America's future.
Innovation requires courage, but even more persistence.
礼貌，并不需要花钱。用完马桶后，把马桶盖放下；上电梯时，耐心等别人出来再进去；把购物车放回指定区域；在借东西时，归还时要东西的状态要比你借的时候还要好（例如给车加满油、把物品清理干净）。
The best way to predict the future is to create it.
"I believe that every child has the right to access books and stories that reflect their own experiences and cultures."
使卵石臻於完美的，并非锤的打击，而是水的且歌且舞。