I don't know this. No news is good news.
There is no person(smoking)/not a person/not any person(smoking)in the house.
He went to his office, not to see him.
I am sorry for not coming on time.
I don't think/believe/suppose/feel/imagine you are right.
All the answers are not right
All is not gold that glitters
I don't know all of them.
I can't see everybody/everything.
Both of them are not right.
None of my friends smoke.
I can see nothing/nobody.
Neither of them is right.
Nothing can be so simple as this.