一本正经地对待消遣和刻板地追求学问,结果就会成为一个学究。
Every problem in mathematics has a solution; it's just a matter of finding the right path.
我们要做的是让中国宝宝喝上世界级的好奶粉。
要训练一只鹰,你必须像鹰一样观察它。