'By Grace' in the Bible

and if by grace, no more of works, otherwise the grace becometh no more grace; and if of works, it is no more grace, otherwise the work is no more work.

even being dead in the trespasses, did make us to live together with the Christ, (by grace ye are having been saved,)

for by grace ye are having been saved, through faith, and this not of you -- of God the gift,

with teachings manifold and strange be not carried about, for it is good that by grace the heart be confirmed, not with meats, in which they who were occupied were not profited;