Matthew 6:22. The light of the body is the eye: if therefore thine eye be single, thy whole body shall be full of light.
Luke 11:34. 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.
Proverbs 11:25. The liberal soul shall be made fat: and he that watereth shall be watered also himself.