best rapper

You're right. His best lines are the following:
>I TURN DA SIX UPSIDE DOWN DASSA NINE NOW
9 (2016)
>LAST NAME EVER, FIRST NAME GREATEST, LIKE A SPRAINED ANKLE BOY I AINT NUTHIN TO PLAY WITH
Forever (2009)
>YOU ONLY LIVE ONCE THAT'S THE MOTTO NIGGA Y.O.L.O.
The Motto (2011)
>WE USED TO BE FRIENDS, GIRL AND EVEN BACK THEN YOU WOULD LOOK AT ME WITH NO HESITATION AND TELL, BABY IT'S YOURS
Wu-Tang Forever (2013)