Romans 1:22
They claimed to be wise, but became fools,
Matthew 6:23
But if your eye sees things wrongly, [then] your whole body [i.e., your entire life] will be full of darkness [i.e., will not be lived properly]. If therefore, the light you have is [really] darkness [i.e., if you are not seeing life properly], that darkness will be very great [i.e., you cannot possibly live properly].
Romans 11:25
For I want you to know this secret, brothers, so you will not become conceited: Part of the Israelites have become [spiritually] insensitive [to God], [and will remain that way] until the fullness of the Gentiles occurs. [Note: As with verse 12, concerning the Jews, "fullness" here may mean either a large or the complete number of Gentiles who will be saved].
1 Corinthians 1:19-21
For it is written [Isa. 29:14], "I [i.e., God] will destroy the wisdom of wise people, and will set aside [i.e., hinder] the understanding of intelligent people."
1 Corinthians 3:18-19
No one should fool himself. If any person among you thinks he is smart, by human standards, he should become a "fool," so that he can become [really] wise.
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