⁹But, as it is written,
‘What no eye has seen, nor ear heard,
   nor the human heart conceived,
what God has prepared for those who love him’—
¹⁰these things God has revealed to us through the Spirit; for the Spirit searches everything, even the depths of God. ¹¹For what human being knows what is truly human except the human spirit that is within? So also no one comprehends what is truly God’s except the Spirit of God. ¹²Now we have received not the spirit of the world, but the Spirit that is from God, so that we may understand the gifts bestowed on us by God. ¹³And we speak of these things in words not taught by human wisdom but taught by the Spirit, interpreting spiritual things to those who are spiritual.