如果您不愿意对它们负责，那就不要有好主意。

自由是按照我们意愿生活的权利。

用媚字奉养亲人父母，用平淡之心交朋友，用苟字节俭花费，用朴拙免去劳力，用聋字消除诽谤，用盲字远离美色，用吝字防止言说过多，用病字医治婬欲，用贪字读书，用傲字树立风骨，用痴字救济贫困，用空字解脱忧烦，用弱字抵御侮蔑，以悔字改正错误，以懒字控制奔走竞争，以惰字隔除凡人俗事。

"The price of power is always high, but the price of powerlessness is higher."

The spread of liberal democracy has been accompanied by the spread of a global culture that is increasingly homogeneous.

数学家的模式，就像画家或诗人的模式一样，必须是美丽的。

You have to believe in yourself when no one else does.