Knowing is not understanding. There is a great difference between knowing and understanding: you can know a lot about something and not really understand it.
“One of the first things I learned about acting was, the only person you compete against is yourself.”
“I think sometimes we look at other people's marriages and we think they must always be so happy together. I don't know anybody who's married for a long time who hasn't somehow made room in their love story for the hate and resentment that they sometimes feel toward each other.”