Romans 2:19 in the King James Version
And art confident that thou thyself art a guide of the blind, a light of them which are in darkness,
Context
18 know his will, and approve the things that are excellent, being instructed out of the law,
19 and are confident that you yourself are a guide of the blind, a light to those who are in darkness,
20 a corrector of the foolish, a teacher of babies, having in the law the form of knowledge and of the truth.