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.
(..) Maybe never. I want to taste... through your mouth. No. Lately I've been filled with the knowledge... that the killer will strike again. But because it's just a feeling, I am powerless to stop it. One more thing, Albert. When the next murder happens, (..)1992 Twin Peaks: Fire Walk with Me