Mark Twain

There are three noble treasures so that it can’t be expressed to our country by words. That's freedom of speech, freedom of conscience and the carefulness I never try to use the both of them for which.（わが国には、言葉では言い表せぬほど尊い宝物が三つある。それは、言論の自由と良心の自由とその両者を決して使おうとしない慎重さだ。）---- Mark Twain