'By Faith' in the Bible

For therein is revealed a righteousness of God from faith unto faith: as it is written, But the righteous shall live by faith.

We reckon therefore that a man is justified by faith apart from the works of the law.

if so be that God is one, and he shall justify the circumcision by faith, and the uncircumcision through faith.

Being therefore justified by faith, we have peace with God through our Lord Jesus Christ;

through whom also we have had our access by faith into this grace wherein we stand; and we rejoice in hope of the glory of God.

Wherefore? Because they sought it not by faith, but as it were by works. They stumbled at the stone of stumbling;