No one is exempt from talking nonsense; the mistake is to do it solemnly.
谁也难免会讲些废话,错就错在一本正经地讲。
On Saturday morning my father solemnly dispensed pocket money to each of the children.
星期六上午我父亲郑重其事地给每个孩子发零花钱。
As God is my witness (ie I solemnly swear), that's the truth!
上帝为我作证,一切属实!