1 Corinthians 2:11

11Whoτίςforγὰρknowsοἶδενamong menἀνθρώπωνthe thingsτὰof theτοῦmanἀνθρώπουifεἰnotμὴtheτὸspiritπνεῦμαof theτοῦmanἀνθρώπουthat [is]τὸwithinἐνhimαὐτῷ;Soοὕτωςalsoκαὶthe thingsτὰτοῦof Godθεοῦno oneοὐδεὶςknowsἔγνωκενifεἰnotμὴtheτὸSpiritπνεῦματοῦof Godθεοῦ.

For who of men knows the [things] of the man except the spirit of the man that [is] in him? So also, no one has known the [things] of God except the Spirit of God.