You're not stronger than me, you little runt! Your strength was tested when you were a baby! You're a third class Saiyan! I'm a Saiyan elite, you low class dog!
Oh...it's the Kaioken attack. It's like a massive upsurge of energy. Everything is heightened, power, speed, even hearing and vision improve dramatically. You sort of become a super-self. But it can only be sustained for a short time, so you have to get the job done quickly.
That's true. I could have, but the problem is there's always a chance that the increase in energy could've destroyed my body. But I'm still here, aren't I? Yeah.
[about Vegeta] It's too bad! It seems he's totally determined to end things this way! He sure would make a good sparring partner! [Krillin raises his hand to shake Goku's] Hm?