1 Corinthians 2:11

2:11 For who among men knows the things of a man except the man’s spirit within him? So too, no one knows the things of God except the Spirit of God.

1 Corinthians 2:14

2:14 The unbeliever ¹  does not receive the things of the Spirit of God, for they are foolishness to him. And he cannot understand them, because they are spiritually discerned.

[2:14]  ¹ tn Grk “natural person.” Cf. BDAG 1100 s.v. ψυχικός a, “an unspiritual pers., one who merely functions bodily, without being touched by the Spirit of God.”