"You would be surprised how many here are skilled fighters, you underestimate them at your peril. Someday your ego will allow you to understand that you are not infallible." Kuai is reasonably confident that at some point his brother will piss off the wrong person and get the shit kicked out of him. It'll happen at some point.

"Strange that I am the soft-hearted one, yet I am the one who lived. That says more about you, than it does of me."