Romans 11:29-35

²⁹Because God's selection and his mercies may not be changed.

³⁰For as you, in time past, were not under the rule of God, but now have got mercy through their turning away,

³¹So in the same way these have gone against the orders of God, so that by the mercy given to you they may now get mercy.

³²For God has let them all go against his orders, so that he might have mercy on them all.

³³O how deep is the wealth of the wisdom and knowledge of God! no one is able to make discovery of his decisions, and his ways may not be searched out.

³⁴Who has knowledge of the mind of the Lord? or who has taken part in his purposes?

³⁵Or who has first given to him, and it will be given back to him again?