'Have Faith' in the Bible

What if some did not have faith? Will their faithlessness nullify the faithfulness of God?

That is, the righteousness of God through faith in Jesus Christ, to all those who have faith; and one man is not different from another,

For God showed him publicly dying as a sacrifice of reconciliation to be taken advantage of through faith. This was to vindicate his own justice (for in his forbearance, God passed over men's former sins)??26 to vindicate his justice at the present time, and show that he is upright himself, and that he makes those who have faith in Jesus upright also.

[In doing this] God [also] demonstrated His justice [to people] of this present time, that He Himself is just and the One who makes the people right with Him who have faith in Jesus.

And he was given the sign of circumcision as a witness of the faith which he had before he underwent circumcision: so that he might be the father of all those who have faith, though they have not circumcision, and so that righteousness might be put to their account;

But for us in addition, to whose account it will be put, if we have faith in him who made Jesus our Lord come back again from the dead,

But if we are dead with Christ, we have faith that we will be living with him;

Because, if you say with your mouth that Jesus is Lord, and have faith in your heart that God has made him come back from the dead, you will have salvation:

But how will they give worship to him in whom they have no faith? and how will they have faith in him of whom they have not had news? and how will they have news without a preacher?

Do you have a conviction? Keep it to yourself before God. The man who does not condemn himself by what he approves is blessed.