"When gone am I, the last of the Jedi you will be." -- Yoda
Obi-Wan - "That boy is our last hope."
Yoda: "No...there is another..."
Make your mind up Yoda!
Wasn't Leia the other one he was talking about?
Correct and there is no mention of Jedi in that quote, technically she isn't one, what do they call it in the new movies "force sensitive".
You need to drink all of your Bantha Milk to grow up big & strong & finish your training to be a knight.