今天是世界读书日，祝大家阅读快乐！

飞机上在看John Stuart Mill的《论自由》(On Liberty)，看到这一句话，跟大家分享：

If all mankind minus one, were of one opinion, and only one person were of the contrary opinion, mankind would be no more justified in silencing that one person, than he, if he had the power, would be justified in silencing mankind.