把这一句，留给此刻的你

We can never be sure that the opinion we are endeavoring to stifle is a false opinion; and if we were sure, stifling it would be an evil still.

我们永远不能肯定，我们竭力压制的意见是一种错误的意见;如果我们能肯定，扼杀它仍然是一种罪恶。

— John Stuart Mill 约翰·斯图尔特·密尔