Matthew 13:14-15

And the prophecy of Isaiah is fulfilled unto them, saying, By hearing ye shall hear, and may not understand; and seeing you shall see, and may not perceive.

Romans 11:25

I do not wish you to be ignorant, brethren, as to this mystery, in order that you may not he wise with yourselves, that blindness in part has happened unto Israel, until the fulness of the Gentiles may come in;

1 Corinthians 3:19

For the wisdom of this world is foolishness with God. For it has been written. He taketh the wise in their own craftiness.

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