³⁹ And he spake a parable unto them, Can the blind lead the blind? shall they not both fall into the ditch?

⁴⁰ The disciple is not above his master: but every one that is perfect shall be as his master.

³⁴ The light of the body is the eye: therefore when thine eye is single, thy whole body also is full of light; but when thine eye is evil, thy body also is full of darkness.