All the success that I'm suffering from
Came from this knowledge I sold (this knowledge I know)
“Knowledge” might be his lyrics — in other words his success came from his music — because he brought out knowledge.
Also a reference to Khaled’s album title “Suffering From Success”.
To help improve the meaning of these lyrics, visit “Never Surrender” by DJ Khaled (Ft. Akon, Anthony Hamilton, Jadakiss, John Legend, Meek Mill & Scarface) Lyrics and leave a comment on the lyrics box