Lyrics - Interpreting Lyrics

[GLOBE]

OK i have a really quick question for a song by sublime wich is KRS-one what is this song about if someone would help me i would greatly apprectiate it i have been tring to figure it but cant could be cause swims to twaked out to think stright but holla back wit some imput peace..

From the album 40 Oz To Freedom

In school they never taught bout hamburgers or steak,
Elijah muhammed or the welfare state.
But i know.
And i know because of krs-one.
Yeah and i know and i know because of krs-one.

Because he's droppin science,
Droppin history with a whole leap of style and intelligency
Yes, i know.
I know because of krs-one yeah,
And i know i know because of krs-one.

Because we don't want to pay money to hear the same old sounds.
Watch him he'll take hip-hop to a higher ground.
And i know (how do i know?)
And i know because of krs-one.
Yeah, and i know and i know because of krs-one.

And i know
And i know because of krs-one.
And i know and i know