The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

In mathematics, the simplest explanation is often the most profound.

天上永远不会掉下玫瑰来，如果想要更多的玫瑰，必须自己种植。

移民对本地人工资的影响比大多数人认为的要小得多。