1 Corinthians 2:9-15 (New International Version)

⁹However, as it is written:
   "No eye has seen,
      no ear has heard,
   no mind has conceived
   what God has prepared for those who love him"^[a]— ¹⁰but God has revealed it to us by his Spirit.
      The Spirit searches all things, even the deep things of God. ¹¹For who among men knows the thoughts of a man except the man's spirit within him? In the same way no one knows the thoughts of God except the Spirit of God. ¹²We have not received the spirit of the world but the Spirit who is from God, that we may understand what God has freely given us. ¹³This is what we speak, not in words taught us by human wisdom but in words taught by the Spirit, expressing spiritual truths in spiritual words.^{[b] 14}The man without the Spirit does not accept the things that come from the Spirit of God, for they are foolishness to him, and he cannot understand them, because they are spiritually discerned. ¹⁵The spiritual man makes judgments about all things, but he himself is not subject to any man's judgment: