In mathematics, you don't understand things. You just get used to them.
"There is no substitute for books in the life of a child."
我们这个世纪的贫困与以往不同。它不像以前的贫困那样是自然稀缺的结果,而是富人强加给世界其他地区的一系列优先事项的结果。
The life of the law has not been logic; it has been experience.