Matthew 13:14-15

And in them is fulfilled the prophecy of Isaiah, which saith, Ye shall hear by the hearing of the ear, and not understand; and in seeing ye shall see, and not perceive: for the heart of this people is grown stupid,

Romans 11:25

For I would not have you, brethren, to be ignorant of this mystery, (least ye should be wise in your own eyes) that blindness in part is befallen Israel, till the fulness of the Gentiles be come in.

1 Corinthians 3:19

For the wisdom of this world is foolishness with God; for it is written, "He taketh the wise in their own craftiness:"

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