'Tis better to be silent and be thought a fool, than to speak and remove all doubt. (attributed)

'Tis better to be silent and be thought a fool, than to speak and remove all doubt. (attributed)

与其把所有的怀疑都说出来，还不如保持沉默，被认为是个傻瓜。(认为)

-- Abraham Lincoln 亚伯拉罕·林肯