'Have Faith' in the Bible

Not after, but before. And it was as a sign of this that he received the rite of circumcision-to attest the righteousness due to the faith of an uncircumcised man-in order that he might be the father of all who have faith in God even when uncircumcised, that they also may be regarded by God as righteous;

But also with reference to us. Our faith, too, will be regarded by God in the same light, if we have faith in him who raised Jesus, our Lord, from the dead;