KJV (2) understand not and

Verse Reference	Verse Text
Isa 6:9	And he said, Go, and tell this people, Hear ye indeed, but understand not; and see ye indeed, but perceive not.
2Pe 2:12	But these, as natural brute beasts, made to be taken and destroyed, speak evil of the things that they understand not; and shall utterly perish in their own corruption;