Quotes from Star Wars: Episode V - The Empire Strikes Back

Oh, great warrior? Wars not make one great.

No, I am your father!

C-3PO: "The possibility of successfully navigatin an asteroid field is approximately 3720 to 1."
Han Solo: "Never tell me the odds!"

Anger, fear, aggression. The dark side are they. Once you start down the dark path, forever will it dominate your destiny.

Do or do not. There is no try.