Listen to me, my friend. Hope is a dangerous thing. Hope can make people crazy.
市场本身并不能产生有效的结果。
The truth is rarely pure and never simple.
Women belong in all areas of science, and their contributions are invaluable.
释义：人才没有固定不变的价值，器物没有一成不变的用处。
If you don’t make mistakes, you’re not working on hard enough problems. And that’s a big mistake.