The investigation has been going on for months, and we're still 'none the wiser' about the true cause of the accident. [=we still don't know anything more about the true cause]
I'm 'wise to' you. = I'm 'wise to' what you're doing. [=I know what you're doing; I know that you are trying to do something dishonest]
I borrowed his car and returned it, and he was 'none the wiser'. [=he did not know that I had borrowed his car]
(..) You have to take your time with sheldon. His father,god rest his soul,used to always say to me, "mary,you have to take your time with sheldon." Sounds like a wise man. Oh,not so wise. He once tried to fight a bobcat for some licorice. So,everybody grab a plate and a (..)2007 TvShow: The Big Bang Theory Title: The Luminous Fish Effect Season: 1 Episode 4