我们所做的可能很微小，但却产生巨大影响。

At twenty-one, I was a divorced single mother. At thirty, I was struggling to feed my children. At forty, I was starting over in a new country. At fifty, I was rebuilding my career. At sixty, I walked the runway at Fashion Week. Life begins at every age—if you dare to make a plan.

The awful shadow of some unseen Power floats, though unseen, among us.

Poetry is the language of the soul.

学习数学的最好方法就是做数学。

解释：能吞下船的大鱼，不会在细浅的溪水里遨游；在天空高飞的鸿鹄，不会在肮脏的水池栖息。