No man is wise at all times.
聪明一世，糊涂一时。

No man is content.
人心不足蛇吞象。
No man is wise at all times.
聪明一世，糊涂一时。
None are so blind as those who won't see.
视而不见。
None are so deaf as those who won't hear.
充耳不闻。
No news is good news.
没有消息就是好消息。

No man can do two things at once.
一心不可二用。