The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
市场永远不会错——意见往往是错的。
我只与自己竞争。我的目标是比昨天的自己更好。
流放这件事想起来奇怪地引人入胜,但经历起来却很可怕。
Good can exist without evil, whereas evil cannot exist without good.