1 Corinthians 2:10
2:10 God has revealed these to us by the Spirit. For the Spirit searches all things, even the deep things of God.
1 Corinthians 2:16
2:16 For who has known the mind of the Lord, so as to advise him? 1 But we have the mind of Christ.
1 sn A quotation from Isa 40:13.