Luke: Oh, come on. How could you know who my father is. You don't even know who I am! I don't even know what I'm doing here! We're wasting our time!
Yoda: I cannot teach him. The boy has no patience.
Ben: He will learn patience.
Yoda: Much anger in him. Like his father.
Ben: Was I any different when you taught me.
Yoda: No.