After the Quirkless Izuku Midoriya meets All Might, he becomes the successor to All Might's Quirk, One For All, which means he must eventually go up against All For One and Tomura Shigaraki.
Those without it and those who 
are weak will be weeded out.
.سيتم التخلص من الذين يفتقدونها والذين هم ضعفاء
Les faibles qui n’en ont pas
sont voués à l’échec.