mensah demary's previous Liner Notes columns for The Butter can be found here. “I know everything,” Kendrick Lamar says in the track “Momma,” from his new album To Pimp a Butterfly. “I know Compton, I know street shit, I know everything that’s conscious…I know wisdom, I know bad religion, I know good karma, I know everything, I know history, I know the universe works mentally…I know everything.” I don’t know what Kendrick knows. I…