智慧可以使一个人即使未受教育仍可活下去。
Experience is the child of thought , and thought is the child of action. We cannot learn men from books. (Benjamin Disraeli, British statesman)
Experience is what you get when you don't get what you want. (Dan Stanfort, American brsinessman)
Expreience keeps a dear school, yet fools will learn in no other. (Benjamin Franklin, Americna president)
在科学上没有平坦的大道