'Faith in Christ' in the Bible

And after certain days, Felix having arrived with Drusilla his wife, who was a Jewess, he sent for Paul and heard him concerning the faith in Christ.

for ye are all God's sons by faith in Christ Jesus.

having heard of your faith in Christ Jesus, and the love which ye have towards all the saints,

For if indeed in the flesh I am absent, yet I am with you in spirit, rejoicing and seeing your order, and the firmness of your faith in Christ.