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.
(..) and think did anyone think? Today we will learn something new we will enjoy if you win than what will you get? Your knowledge will increase? Only pressure will increase its a college, not a pressure cooker these are my friends names i was just telling you that how (..)2009 3 Idiots