今天种下的每一粒种子都是对未来粮食供应的投资。
Every seed planted today is an investment in tomorrow's food supply.
宇宙不是敌对的,也不是友好的。它只是漠不关心。
I am not interested in the average, I am interested in the extreme.
学习数学的最好方法就是去做数学。