'In the Faith' in the Bible

So the churches became stronger and stronger in the faith, and their numbers increased from day to day.

and the forefather of those circumcised persons who not only share his circumcision but follow our forefather Abraham's example in the faith he had before he was circumcised.

But before this faith came, we were kept shut up under the Law, in order to obtain the faith that was to be revealed.

As your example in wholesome instruction, keep before you what you learned from me, in the faith and love that come through union with Christ Jesus.

Resist him and be strong in the faith, for you know that your brotherhood all over the world is having the same experience of suffering.