Professor X : Logan, don't you have a class to teach?
Logan : A class... to... teach?
Professor X : Aye, history.
Logan : History... Well, actually I could use some help with that.
Professor X : Help with what?
Logan : Pretty much everything since 1973.
Logan : I think the history I know is a little bit different.
Professor X : Welcome back.
Logan : It's good to see you, Charles. It's good to see all of you.
Professor X : Well, I had a promise to keep. You and I have a lot of catching up to do.
Read more Logan Quotes
From: X-Men: Days of Future Past (2014)