'By Grace' in the Bible

And therefore it is of faith, that it might be by grace, that so the promise might be sure to all the seed; not to that only which is of the law, but also to that which is of the faith of Abraham, who is the father of us all,

And if by grace, it is no more of works: for then grace is no longer grace. But if of works, it is no more grace: for then work is no longer work.

hath made us alive in Christ, even when we were dead in trespasses, (for by grace ye are saved) and hath raised us up together,

For by grace ye are saved, through faith: and this not of yourselves; it is the gift of God: not by works, that no one may boast:

be not then carried about by various and strange doctrines; for it is good that the heart be established by grace, and not in meats, in which those that have been most exact, have not profited by them.