International Standard Version A person who isn't spiritual doesn't accept the things of God's Spirit, for they are nonsense to him. He can't understand them because they are spiritually evaluated.
American Standard Version Now the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him; and he cannot know them, because they are spiritually judged.
Young's Literal Translation and the natural man doth not receive the things of the Spirit of God, for to him they are foolishness, and he is not able to know them, because spiritually they are discerned;