The Lord says, “My people are stupid; they don't know me. They are like foolish children; they have no understanding. They are experts at doing what is evil, but failures at doing what is good.”
Your eyes are like a lamp for the body. When your eyes are sound, your whole body is full of light; but when your eyes are no good, your whole body will be in darkness.
and he answered, “The knowledge of the secrets of the Kingdom of God has been given to you, but to the rest it comes by means of parables, so that they may look but not see, and listen but not understand.
Whoever does not have the Spirit cannot receive the gifts that come from God's Spirit. Such a person really does not understand them, and they seem to be nonsense, because their value can be judged only on a spiritual basis.
You yourselves used to be in the darkness, but since you have become the Lord's people, you are in the light. So you must live like people who belong to the light,