He knows that some people will support it, some will reject it and some will say it changes nothing.

VOA: special.2010.05.10

"That is preposterous. My brother knows nothing about government or civil affairs.

VOA: special.2009.03.05

I do not hold any animosity. But I tell Obasanjo today, and I am sure he knows it, that he lied to the world when he said that I was escaping and he knew nothing about it.

VOA: standard.2009.11.10

Right now a computer might play Jeopardy, but it knows nothing about playing chess.

FORBES: Magazine Article

Michael has been karting since he was four or five so he knows nothing else.

BBC: Mercedes boss hints at F1 return for Michael Schumacher

Ben Bernanke, who would probably make a fine high school math teacher, knows nothing about economics.

FORBES: High Oil Prices, Global Instability: The Nasty Underbelly Of Fed Policy