words of master yoda

Only different in your mind. You must unlearn what you have learned.

Try not. Do. Or do not. There is no try.

Size matters not.

Luke: I can’t believe it.

Yoda: That is why you fail.

There is no "why"!

http://michaeljrapp.hubpages.com/hub/Best-Yoda-Quotes-Wisdom-of-the-Jedi-Master-for-Everyday-Life