Obedience is the first duty of a soldier. 军人以服从命令为天职。

No way is impossible to courage. 勇者无惧。

Not to know what happened before one was born is always to be a child. 不懂世故，幼稚可笑。

Not to advance is to go back. 不进则退。

Nothing is to be got without pains but poverty. 世上唯有贫穷可以不劳而获。

Nothing is so necessary for travelers as languages. 外出旅行，语言最要紧。

Nothing seek, nothing find. 没有追求就没有收获。

Nothing is difficult to the man who will try. 世上无难事，只要肯登攀。

Nothing in the world is difficult for one who sets his mind to it. 世上无难事，只怕有心人。

Nothing dries sooner than a tear. 眼泪干得最快。