I answered their questions 'to the best of my knowledge'. [=I gave the best answers I could based on what I knew, but I might have answered differently if I had known something else]
No one arrived late 'to my knowledge'. [=I am not aware that anyone arrived late, but it is possible that someone arrived late and I don't know about it]
They went on vacation, 'safe in the knowledge' that the farm would be well cared for while they were away.
(..) did not go to Harvard Law School, you haven't even gone to any law school. What if I told you that I consume knowledge like no one you've ever met and I've actually passed the bar? I'd say you're (..)2011 TvShow: Suits Title: Pilot Season: 1 Episode 1