Do not deceive yourselves. If any of you think you are wise by the standards of this age, you should become“ fools” so that you may become wise.For the wisdom of this world is foolishness in God’s sight. As it is written:“ He catches the wise in their craftiness”;and again,“ The Lord knows that the thoughts of the wise are futile.” (niv)
I do not want you to be ignorant of this mystery, brothers and sisters, so that you may not be conceited: Israel has experienced a hardening in part until the full number of the Gentiles has come in, (niv)