心灵自有其天地,能把天堂变地狱,把地狱变天堂。
If you borrow something, try to return it in better shape than you received it. Clean it, sharpen it, fill it up.
量化宽松的问题在于它在实践中有效,但在理论上却行不通。
真相很少是纯粹的,也从不简单。
检验统计假设的问题是估计的一般问题中不可分割的一部分。
我们必须听从科学——忽视它只会导致不可逆转的损害。
A man is a dangerous thing, a man who has nothing to lose is even more dangerous.