It is better to keep your mouth shut and to appear stupid than to open it and remove all doubt.

It is better to keep your mouth shut and to appear stupid than to open it and remove all doubt.

与其把嘴张开，消除所有的疑虑，不如闭上嘴巴，装出一副愚蠢的样子。

-- Mark Twain 马克·吐温