How we cite our quotes: All quotations are from Star Wars: A New Hope.
Quote #4
LUKE: I want to come with you to Alderaan. There's nothing for me here now. I want to learn the ways of the Force and become a Jedi like my father.
Luke decides to take the plunge and sets himself a goal: become a Jedi knight. Side Note: You would think evil empires and dark lords would learn to stop burning down homes and villages to stop creating the heroes that will rise up against them. Happens all the time.
Quote #5
LUKE: Are you kidding? At the rate they're gaining?
HAN: Traveling through hyperspace ain't like dustin' crops, boy! Without precise calculations, we'd fly through a star or bounce too close to a supernova, and that would end your trip real quick, wouldn't it?
LUKE: What's that flashing?
HAN: We're losing a deflector shield. Go strap yourselves in. I'm gonna make the jump to light speed.
We see just how green Luke is when compared to the much worldlier Han Solo. Han knows what he's doing in this tense situation. It's what he does. Luke is too scared, confused, and excited to be of much use.