This is sampled from the end of “Can It Be All So Simple” on Enter the Wu-Tang: 36 Chambers where Meth is breaking down each member of the Wu and the meaning behind their names.
Ironically, he’s talking about the RZA not Rebel INS:
And the RZA, he the sharpest motherfucker in the whole clan. He always on point, razor sharp. With the beats, with the rhymes, whatever, any DJ.