Luke 6:39 in the King James Version
And he spake a parable unto them, Can the blind lead the blind? shall they not both fall into the ditch?
Context
38 “Give, and it will be given to you: good measure, pressed down, shaken together, and running over, will be given to you. For with the same measure you measure it will be measured back to you.”
39 He spoke a parable to them. “Can the blind guide the blind? Won’t they both fall into a pit?
40 A disciple is not above his teacher, but everyone when he is fully trained will be like his teacher.