Ben: How long before you can make the jump to light speed?
Han: It'll just be a few minutes while I get the coordinates from the navicomputer.
Luke: Are you kidding?! At the rate they're gaining?
Han: Traveling through hyperspace ain't like dusting crops, boy! Without precise calculations, you'd crash into a star or bounce too close to a supernova, and that'd end your trip real quick, wouldn't it?