The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.

对付敌人的最好武器就是另一个敌人。

信任是每一段牢固关系的基础，无论是与员工、合作伙伴还是客户。